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Contents
- The climate of Charlotte Amalie
- The best time to visit Charlotte Amalie
- The worst time to visit Charlotte Amalie
- Spring weather in Charlotte Amalie
- Summer weather in Charlotte Amalie
- Autumn weather in Charlotte Amalie
- Winter weather in Charlotte Amalie
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The Charlotte Amalie Harbour within the United States Virgin Islands
The climate of Charlotte Amalie
Charlotte Amalie, positioned in the United States Virgin Islands, is under the governing influence of the Am - Tropical monsoon Köppen climate classification. This signifies high humidity, a strong intermittent breeze, significant rainfall, and average temperatures that consistently range in a tight band barely fluctuating throughout the entire year.
An examination of climate metrics reveals very little in terms of temperature variation from month to month. Winter lows average a pleasant 77.4°F (25.2°C), while summer highs peak at a modest 84°F (28.9°C). Noteworthy is that the temperature on land isn't significantly different from sea temperatures, which reach a high of approximately 85°F (29.4°C) and a low of around 78.7°F (25.9°C). Such temperatures contribute to Charlotte Amalie's idyllic tropical weather, attracting tourists seeking warmth throughout the year.
Shifting focus to the recorded rainfall, it's evident that Charlotte Amalie endures consistent precipitation year-round. The wettest month is October with an average of 4.45" (113mm), while the driest month is February with approximately 1.22" (31mm) of rain. Rainfall is ubiquitous, with an average of 18 to 25 days of rainfall each month.
One unique characteristic observed in Charlotte Amalie is the prolonged daylight hours averaging between 11 to 13.2 hours throughout the year coupled with an average UV index of 7 every month. While sunshine hours peak at 10.5 hours in June and fall to a minimum of 6.5 hours in November and December, these hours provide adequate time for outdoor activities.
An examination of climate metrics reveals very little in terms of temperature variation from month to month. Winter lows average a pleasant 77.4°F (25.2°C), while summer highs peak at a modest 84°F (28.9°C). Noteworthy is that the temperature on land isn't significantly different from sea temperatures, which reach a high of approximately 85°F (29.4°C) and a low of around 78.7°F (25.9°C). Such temperatures contribute to Charlotte Amalie's idyllic tropical weather, attracting tourists seeking warmth throughout the year.
Shifting focus to the recorded rainfall, it's evident that Charlotte Amalie endures consistent precipitation year-round. The wettest month is October with an average of 4.45" (113mm), while the driest month is February with approximately 1.22" (31mm) of rain. Rainfall is ubiquitous, with an average of 18 to 25 days of rainfall each month.
One unique characteristic observed in Charlotte Amalie is the prolonged daylight hours averaging between 11 to 13.2 hours throughout the year coupled with an average UV index of 7 every month. While sunshine hours peak at 10.5 hours in June and fall to a minimum of 6.5 hours in November and December, these hours provide adequate time for outdoor activities.
The best time to visit Charlotte Amalie
The ideal time for a visit to Charlotte Amalie would be when the weather is most conducive for outdoor activities. Given the year-round tropical temperatures, preference then falls to periods with longer sunshine hours and less rainfall. Corresponding to this criterion, the months from March to May stand out as optimum choices. During this period, there's an excellent balance between a high average of sunshine hours (from 9.3 hours to 10.3 hours), moderate rainfall (from 1.5" (38mm) to 3.03" (77mm)), and comfortable temperature levels oscillating between 78.4°F (25.8°C) to 81.1°F (27.3°C).
The worst time to visit Charlotte Amalie
Although no time of the year presents extreme conditions, the least favorable period to visit Charlotte Amalie would be during the so-called "wet season". The span from September to November is particularly notable, with average rainfalls ranging from 4.09" (104mm) to 4.45" (113mm), coupled with the highest cloud cover percentage hovering around 39%. Additionally, sunshine hours are at their lowest during this period, averaging between 6.5 hours to 8.7 hours per day, which could limit the opportunities for outdoor sightseeing and other activities.
Spring weather in Charlotte Amalie
The spring season in Charlotte Amalie extends from March to May. This period is characterized by mild temperatures, with average highs around 79.5°F (26.4°C) in March to 81.1°F (27.3°C) by May. Rainfall remains moderate, beginning at 1.5" (38mm) in March, rising gradually to 3.03" (77mm) in May. Sunshine hours are ample, peaking at 10.3 hours in May, facilitating outdoor activities.
Summer weather in Charlotte Amalie
The summer season in Charlotte Amalie spans from June through August with temperatures reaching their peak. The high temperature averages between 82.6°F (28.1°C) in June to 84°F (28.9°C) in August, while low temperatures range from 79.5°F (26.4°C) to 80.8°F (27.1°C) during the same period. July and August are considerably wetter with average rainfall at 2.91" (74mm) and 4.21" (107mm) respectively. Nonetheless, daylight remains plentiful from 13.1 to 12.7 hours, supporting exploration and relaxation on the island's beaches.
Autumn weather in Charlotte Amalie
Autumn, from September to November, brings with it the greatest rainfall of the year, especially in October with an average of 4.45" (113mm). Despite this, temperatures remain comfortable, ranging from a high of 84°F (28.9°C) in September to a low of 79.9°F (26.6°C) in November. Sunshine hours start to descend from 8.7 hours in September to 6.5 hours in November, indicating an upcoming change in season.
Winter weather in Charlotte Amalie
Charlotte Amalie's winter, spanning from December to February, is characterized by mild and pleasant conditions. Temperatures range from a high of 80.6°F (27°C) in December to a low of 76.6°F (24.8°C) in February. During this season, rainfall averages from 2.05" (52mm) in December and February to 1.85" (47mm) in January. Sunshine duration also remains at a stable 6.5 hours throughout this period, providing ample time to enjoy the city's attractions despite the shorter days.
Weather in January
January in Charlotte Amalie, United States Virgin Islands, USA ushers in the new year with relatively cool temperatures. A post-Christmas lull hangs in the air as nocturnal temperatures hover around 75°F (23.9°C). Humidity levels in January match those of the surrounding months, so no major weather shifts occur in this regard. Weather in January »
Weather in February
As February arrives in Charlotte Amalie, the weather remains steady without significant fluctuations from the preceding month. With the lowest rainfall of 1.22" (31mm) recorded in February, this month redefines the concept of a dry spell. Weather in February »
Weather in March
The winds of change blow in with March in Charlotte Amalie, hinting at the warmer months ahead. March weather mirrors its predecessor, with a slight increase in average temperatures and rainfall. The essence of this weather change is captured in the gentle fluctuations in sea surface temperatures. Weather in March »
Weather in April
April in Charlotte Amalie welcomes the full bloom of spring, bringing warmth in the air and a gentle rise of the mercury in the thermometer. The temperatures climb, with a high of 79.5°F (26.4°C), hinting at the approaching summer. Weather in April »
Weather in May
The gateway to summer, May in Charlotte Amalie, is a period of notable weather elements. A noticeable increase occurs in rainfall, with May recording 3.03" (77mm) of rainfall, nearly twice as much compared to April. Despite the increase in rain, the city remains an attractive destination. Weather in May »
Weather in June
June in Charlotte Amalie signals the arrival of summer with increased temperatures and a rise in sea surface warmth. The hottest month of the year records an average high of 83.7°F (28.7°C). The rain does not deter island life; instead, it adds to the tropical ambiance of the city. Weather in June »
Weather in July
As summer continues in full swing, weather in July in Charlotte Amalie becomes collectively warmer. Peak sea temperatures of 84.4°F (29.1°C) combine with the humidity to paint a typical picture of Caribbean summers. Visitors find solace in the cool, enveloping sea. Weather in July »
Weather in August
August in Charlotte Amalie offers consistently warm weather reminiscent of the slowed pace of the dog days of summer. This month records the highest rainfall, reaching up to 4.21" (107mm). Steady sea temperatures offer an enjoyable respite from the tropical summer heat. Weather in August »
Weather in September
September ushers in slight changes in the weather, gently preparing Charlotte Amalie for the impending season change. The month features relatively high amounts of rainfall, peaking at 4.45" (113mm). The dropping wind speed points to the gradual calming of the summer gusts. Weather in September »
Weather in October
In October, Charlotte Amalie begins to gradually shake off the vestiges of the summer humidity. Rainfall remains consistent from September, keeping the landscapes fresh and vibrant. The slowly dropping sea temperatures signal the approach of the cooler months. Weather in October »
Weather in November
November weather in Charlotte Amalie echoes softer whispers of autumn as Sea temperatures slightly lower to 83.6°F (28.7°C). Significant rainfall occurs in comparison to the drier months, embracing the coastlines with daily showers blessing. Weather in November »
Weather in December
December in Charlotte Amalie concludes the year on a slightly cool and damp note. The city’s festive spirit is complemented by the recorded average low temperature of 78.4°F (25.8°C). The pace of life subtly slows, matching the rhythm of the ubiquitous rainfall. Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the least humid month in Charlotte Amalie?
The months with the lowest humidity in Charlotte Amalie are January through March, October through December, with an average relative humidity of 75%.
How much does it rain in Charlotte Amalie?
Throughout the year, in Charlotte Amalie, there are 253.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.
What is the month with the highest UV index in Charlotte Amalie?
The months with the highest UV index in Charlotte Amalie are January through December, with an average maximum UV index of 7.
What are the months with the lowest UV index in Charlotte Amalie?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the driest month in Charlotte Amalie?
The month with the least rainfall in Charlotte Amalie, United States Virgin Islands, is February, when the rain falls for 18.2 days and typically collects 1.22" (31mm) of precipitation.
When is the ocean coldest in Charlotte Amalie?
The month with the coldest seawater in Charlotte Amalie is February, with an average ocean temperature of 78.6°F (25.9°C).
What is the coldest month in Charlotte Amalie?
Charlotte Amalie, United States Virgin Islands, experiences its average lowest temperatures in March, reaching a peak of 78.4°F (25.8°C) and a minimum of 75.7°F (24.3°C).
What is the most humid month in Charlotte Amalie?
May through August, with an average relative humidity of 78%, are most humid months in Charlotte Amalie, United States Virgin Islands.
When are the longest days in Charlotte Amalie?
June has the longest days of the year, with an average of 13h and 12min of daylight.
What month has the most sunshine in Charlotte Amalie?
With an average of 10.5h of sunshine, June has the most sunshine of the year in Charlotte Amalie.
What is the warmest month in Charlotte Amalie?
September is the month when Charlotte Amalie experiences its warmest temperatures, averaging a high of 84°F (28.9°C) and a low of 81.3°F (27.4°C).
What is the rainiest month in Charlotte Amalie?
The month with the most rainfall in Charlotte Amalie is September, when the rain falls for 22.2 days and typically aggregates up to 4.45" (113mm) of precipitation.
When is the ocean warmest in Charlotte Amalie?
With an average ocean temperature of 84.9°F (29.4°C), September is the month with the warmest seawater in Charlotte Amalie, United States Virgin Islands.
What is the month with the least sunshine in Charlotte Amalie?
The months with the least sunshine are November and December, with an average of 6.5h of sunshine.
What is the month with the shortest days in Charlotte Amalie?
The month with the shortest days in Charlotte Amalie, United States Virgin Islands, is December, with an average of 11h and 6min of daylight.
Is there Daylight Saving Time (DST) in Charlotte Amalie?
Charlotte Amalie does not observe Daylight Saving Time (DST). AST timezone is used throughout the entire year.
Average temperature
Charlotte Amalie, VI
The warmest month (with the highest average high temperature) is September (84°F).
The month with the lowest average high temperature is March (78.4°F).
The month with the highest average low temperature is October (81.5°F).
The coldest month (with the lowest average low temperature) is March (75.7°F).
Average pressure
Charlotte Amalie, VI
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.91"Hg - Average pressure in November:
29.91"Hg - Average pressure in December:
29.98"Hg
The months with the highest atmospheric pressure are January and February (30.02"Hg).
The months with the lowest atmospheric pressure are October and November (29.91"Hg).
Average wind speed
Charlotte Amalie, VI
- Average wind speed in January:
14.5mph - Average wind speed in February:
14.5mph - Average wind speed in March:
13.5mph - Average wind speed in April:
13.2mph - Average wind speed in May:
13.1mph - Average wind speed in June:
13.6mph
- Average wind speed in July:
15mph - Average wind speed in August:
14.4mph - Average wind speed in September:
11.7mph - Average wind speed in October:
11.1mph - Average wind speed in November:
12mph - Average wind speed in December:
14.7mph
The windiest month (with the highest average wind speed) is July (15mph).
The calmest month (with the lowest average wind speed) is October (11.1mph).
Average humidity
Charlotte Amalie, VI
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March, October, November and December (75%).
Average rainfall
Charlotte Amalie, VI
- Average rainfall in January:
1.54" - Average rainfall in February:
1.22" - Average rainfall in March:
1.85" - Average rainfall in April:
1.5" - Average rainfall in May:
3.03" - Average rainfall in June:
2.05"
- Average rainfall in July:
2.91" - Average rainfall in August:
4.21" - Average rainfall in September:
4.45" - Average rainfall in October:
4.37" - Average rainfall in November:
4.09" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is September (4.45").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days
Charlotte Amalie, VI
- Average rainfall days in January:
21.2 days - Average rainfall days in February:
18.2 days - Average rainfall days in March:
18.2 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
20.9 days - Average rainfall days in June:
18.2 days
- Average rainfall days in July:
21.7 days - Average rainfall days in August:
22.5 days - Average rainfall days in September:
22.2 days - Average rainfall days in October:
23.6 days - Average rainfall days in November:
25.5 days - Average rainfall days in December:
22.6 days
The month with the highest number of rainy days is November (25.5 days).
The months with the least rainy days are February, March and June (18.2 days).
Average sea temperature
Charlotte Amalie, VI
The best month for swimming (with the highest average sea temperature) is September (85°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).
Average daylight / Average sunshine
Charlotte Amalie, VI
- Average daylight in January:
11h and 1min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 1min
- Average daylight in July:
13h and 1min - Average daylight in August:
12h and 4min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 2min - Average daylight in December:
11h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in January:
8h and 1min - Average sunshine in February:
8h and 5min - Average sunshine in March:
8h and 3min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
8h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 3min - Average sunshine in December:
6h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days
Charlotte Amalie, VI
- Average sunshine days in January:
4.9 days - Average sunshine days in February:
6.2 days - Average sunshine days in March:
7.3 days - Average sunshine days in April:
7.3 days - Average sunshine days in May:
5.4 days - Average sunshine days in June:
5.8 days
- Average sunshine days in July:
4.6 days - Average sunshine days in August:
4 days - Average sunshine days in September:
5.2 days - Average sunshine days in October:
4.5 days - Average sunshine days in November:
2.4 days - Average sunshine days in December:
3.6 days
The months with the most sunshine days are March and April (7.3 days).
The month with the least sunshine days is November (2.4 days).
Average UV index
Charlotte Amalie, VI
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Charlotte Amalie, VI
The months with the most cloud cover are May and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 33).
Average visibility
Charlotte Amalie, VI
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Charlotte Amalie, United States Virgin Islands, USA
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