Expand
Contents
- The climate of Jacksonville
- The best time to visit Jacksonville
- The worst time to visit Jacksonville
- Spring weather in Jacksonville
- Summer weather in Jacksonville
- Autumn weather in Jacksonville
- Winter weather in Jacksonville
- 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 snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Water geysers at the fountain of Jacksonville in Florida, USA, with the cityscape
The climate of Jacksonville
Jacksonville, residing in Florida's northeastern corner, possesses a Humid subtropical climate (Köppen climate classification: Cfa) perched alongside the Atlantic Ocean. The significant climate features consist of a year-round span of non-dry conditions, moderate winter temperatures, and sweltering humid summer conditions.
Annually, Jacksonville experiences a wide temperature spectrum from a high of 91.4°F (33°C) in the middle of the year to a lower threshold of 47.8°F (8.8°C) during winter months. Such variations in temperature are accompanied by concurrent changes in relative humidity. The highest relative humidity, peaking at 76%, occurs in December contrasted with a lower percentage of 69% registered in the Spring months of March.
Rainfall patterns in Jacksonville offer another distinguishing characteristic. The city receives the highest volume of rain in August with a total of 3.66" (93mm) recorded. Still, the number of rainy days is most predominant between July and August, surprisingly exceeding the months with heavier rainfall. The pressure remains relatively stable year-round, fluctuating slightly but dwelling around the 30" (762mm) mark.
On the other hand, visibility remains pretty consistent throughout the year at 6 miles. Wind patterns fluctuate mildly across the year, with January to April experiencing marginally more robust winds than the rest of the year.
Annually, Jacksonville experiences a wide temperature spectrum from a high of 91.4°F (33°C) in the middle of the year to a lower threshold of 47.8°F (8.8°C) during winter months. Such variations in temperature are accompanied by concurrent changes in relative humidity. The highest relative humidity, peaking at 76%, occurs in December contrasted with a lower percentage of 69% registered in the Spring months of March.
Rainfall patterns in Jacksonville offer another distinguishing characteristic. The city receives the highest volume of rain in August with a total of 3.66" (93mm) recorded. Still, the number of rainy days is most predominant between July and August, surprisingly exceeding the months with heavier rainfall. The pressure remains relatively stable year-round, fluctuating slightly but dwelling around the 30" (762mm) mark.
On the other hand, visibility remains pretty consistent throughout the year at 6 miles. Wind patterns fluctuate mildly across the year, with January to April experiencing marginally more robust winds than the rest of the year.
The best time to visit Jacksonville
Analyzing the nuanced weather patterns in Jacksonville reveals that the most favorable time to schedule a visit is during Spring. March and April not only offer mild temperatures ranging from 63.1°F (17.3°C) to 80.1°F (26.7°C) but also boast comfortable levels of humidity. Sunshine duration is relatively prolonged, as visitors can enjoy approximately nine hours of sunlight per day. The UV index accounts for better outdoor conditions due to mild readings of 5 to 6.
The worst time to visit Jacksonville
Contrarily, the unfavorable period to visit Jacksonville appears to be the summer months from June to August. This interval is characterized by the highest temperatures of the year, oscillating from 90.1°F (32.3°C) to 91.4°F (33°C). The discomfort stemming from these sweltering temperatures is further amplified with relative humidity readings lingering around 74% to 75%. Additionally, precipitation intervals surge as these months witness the heaviest rainfall of the year.
Spring weather in Jacksonville
Spring opens a delightful weather window in Jacksonville. The temperatures during the spring months gradually rise from 63.1°F (17.3°C) in March up to 80.1°F (26.7°C) in April. The relative humidity levels moderately vary between 69% to 70%, providing comfortable conditions. Rainfall averages between 1.38" (35mm) to 2.09" (53mm) but does not drastically affect the average number of sunny days that is approximately 17. Cumulatively, the weather conditions during spring augment the city's appeal to visitors.
Summer weather in Jacksonville
Contrastingly, summer in Jacksonville paints a different climatic scenario. The temperature begins to climb in May, culminating in the year's hottest periods in July and August. The temperatures during these months hit the year's zenith hovering at 91.4°F (33°C). During this period, the city experiences a significant increase in rainfall, peaking at 3.66" (93mm) in August, accompanying a surge in the number of rainy days and relative humidity levels.
Autumn weather in Jacksonville
The advent of Autumn denotes a gradual cooling phase in the atmospheric conditions of the city. In September, temperatures begin to recede from the summer highs, dwindling from 86.9°F (30.5°C) to 72°F (22.2°C) by November. Relative humidity clings to an average of 74%, and the city experiences less rainfall, with numbers dwindling to 1.22" (31mm) by November. The number of sunlight hours also gradually decreases, indicating the progression into Winter.
Winter weather in Jacksonville
Winter in Jacksonville witnesses further declining temperatures. December and January temperatures oscillate from 67.5°F (19.7°C) to 47.8°F (8.8°C). However, these months also reveal increased relative humidity readings, reaching up to 76% in December. Rainfall also witnesses a noticeable increase in December, reaching 1.89" (48mm). Yet, the number of sunny days remains relatively consistent, ensuring that the city maintains its appeal throughout the year.
Weather in January
The year in Jacksonville, Florida starts off with the onset of the dry, warm climate, showcasing a sense of tranquility in the weather conditions. The city marks the middle of winter in January. However, this does not imply plummeting temperatures. Weather in January »
Weather in February
As the year moves into February, Jacksonville experiences a slight rise in warmth. This progression towards spring brings a noticeable shift in weather patterns. February experiences marginally more rain than January, with rainfall measuring 1.46" (37mm). Weather in February »
Weather in March
March heralds the entrance of spring, and with it, an emphasis on slightly warmer temperatures. The city’s weather becomes increasingly pleasing, signaling an end to the colder months. A comparison with February reveals a drop in relative humidity from 73% to 69%. Weather in March »
Weather in April
April's arrival brings a noticeable difference in Jacksonville's weather - mainly through increased temperatures. There is a rising trend towards humidity, although it remains fairly consistent from March. Rainfall patterns register a significant increase from 1.38" (35mm) in March to 2.09" (53mm). Weather in April »
Weather in May
In May, the city fully embraces spring. The increase in temperatures continues while weather conditions remain reasonably stable. The most notable shift is the substantial rise in daylight hours from 12.9 hours in April to 13.7 hours. Weather in May »
Weather in June
June marks the beginning of summer in Jacksonville, offering a notable change in temperature and weather conditions. The city sees the highest increase in rainfall from 2.09" (53mm) in May to 2.8" (71mm), indicating the onset of the rainy season. Weather in June »
Weather in July
In the heart of summer, the weather in July substantiates Jacksonville's appeal. The warmth experienced in June escalates, generating a thriving, yet intense, summer. Rainfall hits the peak for the year at 3.23" (82mm), making July the wettest month. Weather in July »
Weather in August
The usually relentless summer heat in Jacksonville experiences a slight reprieve in August. In comparison to July, there isn’t a major fluctuation in terms of weather characteristics. A notably slight decrease in sunshine hours from 10.9 hours in July to 10.4 hours in August occurs. Weather in August »
Weather in September
As September comes around, Jacksonville experiences a gradual transition from summer towards fall. There is a noticeable drop in the sea temperature from 83.5°F (28.6°C) in August to 82.9°F (28.3°C). Despite the transition period, the vibrancy of Jacksonville's weather persists. Weather in September »
Weather in October
With October arrives a refreshing change in Jacksonville's weather. The city starts transitioning into its short-lived fall period characterized by milder temperatures. A subtracting notable shift in rainfall from 2.48" (63mm) in September to 1.97" (50mm) in October emerge. Weather in October »
Weather in November
November entices Jacksonville with the delightful onset of winter, subtly moving away from the mild temperatures of October. The city sees an appreciable reduction in rainfall at 1.22" (31mm), creating drier conditions. Despite the changing season, Jacksonville remains a gem for sun-seekers, as the cooler temperatures are complemented by ample sun exposure. Weather in November »
Weather in December
December brings Jacksonville full circle, as it delves deep into the heart of winter. The city experiences a steady fall in the average sea temperature from 71.9°F (22.2°C) in November to 64.9°F (18.3°C) in December. A distinct increase in cloud cover brings over shades of winter amidst the Floridian fair climate. Weather in December »
Updated: Aug 30, 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 coldest time of year?
With its average high temperature of 63.1°F (17.3°C) and a low of 47.8°F (8.8°C), January is regarded as the coldest month.
What is the driest month?
The month with the least rainfall in Jacksonville is January, when the rain falls for 9.9 days and typically collects 1.1" (28mm) of precipitation.
How much does it rain?
Throughout the year, there are 172.6 rainfall days, and 25.35" (644mm) of precipitation is accumulated.
When it does not snow?
January through November are months without snowfall.
How many days does it snow?
In Jacksonville, during the entire year, snow falls for 0.1 days.
What months are the ocean coldest?
The months with the coldest seawater are January and February, with an average ocean temperature of 60.4°F (15.8°C).
When is the lowest UV index?
The month with the lowest UV index is January, with an average maximum UV index of 4.
What is the least humid month?
The least humid month is March, with an average relative humidity of 69%.
When is Daylight Saving Time (DST) in Jacksonville?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 7.
When are the longest days?
The month with the longest days in Jacksonville is June, with an average of 14h and 6min of daylight.
What time of the year is the hottest?
July and August are the warmest months, with an average high-temperature of 91.4°F (33°C).
What month has the most sunshine?
With an average of 10.9h of sunshine, July has the most sunshine of the year in Jacksonville.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 23.3 days and typically aggregates up to 3.66" (93mm) of precipitation.
What is the month with the warmest ocean?
With an average ocean temperature of 83.5°F (28.6°C), August is the month with the warmest seawater.
What is the most humid month?
December is the most humid month, with an average relative humidity of 76%.
When does it snow?
The only month with snowfall is December.
When does it snow the most?
December has the most snowfall days of the year. Snow falls for 0.1 days.
What is the month with the shortest days?
With an average of 10h and 12min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 5.9h of sunshine.
Average temperature
Jacksonville, FL
The warmest months (with the highest average high temperature) are July and August (91.4°F).
The month with the lowest average high temperature is January (63.1°F).
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (47.8°F).
Average pressure
Jacksonville, FL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed
Jacksonville, FL
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.4mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.3mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity
Jacksonville, FL
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is March (69%).
Average rainfall
Jacksonville, FL
- Average rainfall in January:
1.1" - Average rainfall in February:
1.46" - Average rainfall in March:
1.38" - Average rainfall in April:
2.09" - Average rainfall in May:
2.09" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.66" - Average rainfall in September:
2.48" - Average rainfall in October:
1.97" - Average rainfall in November:
1.22" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days
Jacksonville, FL
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
12.9 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
22.1 days - Average rainfall days in August:
23.3 days - Average rainfall days in September:
18.5 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
9 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is November (9 days).
Average snowfall days
Jacksonville, FL
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Jacksonville, FL
The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (60.4°F).
Average daylight / Average sunshine
Jacksonville, FL
- Average daylight in January:
10h and 3min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 1min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
7h and 4min - Average sunshine in March:
8h and 1min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 4min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days
Jacksonville, FL
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
9 days
- Average sunshine days in July:
6.8 days - Average sunshine days in August:
6.3 days - Average sunshine days in September:
8.7 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is August (6.3 days).
Average UV index
Jacksonville, FL
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover
Jacksonville, FL
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility
Jacksonville, FL
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).
Jacksonville, Florida, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location