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
Frederiksted records an average high-temperature of a still moderately hot 81.5°F (27.5°C) as May arrives, nearly mirroring the previous month's climate. During May's nights, Frederiksted notes a minor temperature decline, reaching an average of 79.3°F (26.3°C).Heat index
In May, the average heat index is calculated to be a tropical 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The months with the highest humidity are May through August, with an average relative humidity of 78%.Rainfall
In Frederiksted, during May, the rain falls for 21.9 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 254.5 rainfall days, and 29.49" (749mm) of precipitation is accumulated.Daylight
In May, the average length of the day 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
The average sunshine in May is 10.3h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 7 translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What are the most humid months in Frederiksted?
What is the average humidity in May?
How much does it rain in May?
How many hours of daylight does Frederiksted have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May in Frederiksted?
What are the months with the highest UV index?
What are the months with the lowest UV index?
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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