Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Upon the beginning of May, Frederiksted's high-temperatures register at a still moderately hot 81.5°F (27.5°C), closely mirroring the preceding month. In Frederiksted, May is characterized by an average low-temperature of 79.3°F (26.3°C), indicating a minor drop from daytime highs.Heat index
Throughout May, the heat index is calculated to be a hot 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
May through August, with an average relative humidity of 78%, are the most humid months in Frederiksted.Rainfall
In Frederiksted, in May, during 21.9 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 254.5 rainfall days, and 29.49" (749mm) of precipitation is accumulated.Daylight
In Frederiksted, United States Virgin Islands, the average length of the day in May is 12h and 58min.On the first day of the month, sunrise is at 5:52 am and sunset at 6:40 pm. On the last day of May, sunrise is at 5:43 am and sunset at 6:50 pm AST.
Sunshine
In Frederiksted, the average sunshine in May is 10.3h.UV index
The months with the highest UV index in Frederiksted are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Frederiksted are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 7 in May interprets into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What are the most humid months?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Frederiksted have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
When is the lowest UV index in Frederiksted?
What is the UV index reading in May?
Average temperature in May
Frederiksted, VI
- Average high temperature in May: 81.5°F
The warmest months (with the highest average high temperature) are September and October (84.2°F).
The month with the lowest average high temperature is March (78.8°F).
- Average low temperature in May: 79.3°F
The month with the highest average low temperature is October (82.2°F).
The coldest month (with the lowest average low temperature) is March (76.6°F).
Average pressure in May
Frederiksted, VI
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January, February and June (30.01"Hg).
The months with the lowest atmospheric pressure are October and November (29.9"Hg).
Average wind speed in May
Frederiksted, VI
- Average wind speed in May: 12.8mph
The windiest month (with the highest average wind speed) is July (14.7mph).
The calmest month (with the lowest average wind speed) is October (11mph).
Average humidity in May
Frederiksted, VI
- Average humidity in May: 78%
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 and December (75%).
Average rainfall in May
Frederiksted, VI
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in May
Frederiksted, VI
- Average rainfall days in May: 21.9 days
The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is February (16.7 days).
Average daylight in May /
Average sunshine in May
Frederiksted, VI
- Average daylight in May: 13h and 0min
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 May: 10h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in May
Frederiksted, VI
- Average sunshine days in May: 4.7 days
The month with the most sunshine days is March (7.6 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in May
Frederiksted, VI
- Average UV index in May: 7
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 in May
Frederiksted, VI
- Average cloud cover in May: 40
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 in May
Frederiksted, VI
- Average visibility in May: 6mi
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).
Frederiksted, United States Virgin Islands, USA
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