Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Frederiksted marks the onset of August with an average high-temperature of a still moderately hot 83.8°F (28.8°C), a subtle shift from July's 83.5°F (28.6°C). Frederiksted observes a consistent average low-temperature of 82°F (27.8°C) throughout August nights.Heat index
For August, the heat index is calculated to be a hot 93.2°F (34°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
The months with the highest humidity are May through August, with an average relative humidity of 78%.Rainfall
August is the month with the most rainfall. Rain falls for 24.7 days and accumulates 4.17" (106mm) of precipitation.Daylight
In Frederiksted, the average length of the day in August is 12h and 43min.On the first day of August, sunrise is at 5:58 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 6:33 pm AST.
Sunshine
In August, the average sunshine is 8.8h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. 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 threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In August, an average UV index of 7 transforms into the following instructions:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is August in Frederiksted?
What is the most humid month?
What is the average humidity in August?
What is the wettest month?
How much does it rain in August?
What is the average length of the day in August in Frederiksted?
When is the sunrise / sunset in August?
How long on average sun shines in August?
What are the months with the highest UV index?
What are the months with the lowest UV index?
How high is the UV index in August?
Average temperature in August
Frederiksted, VI
- Average high temperature in August: 83.8°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 August: 82°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 August
Frederiksted, VI
- Average pressure in August: 29.96"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 August
Frederiksted, VI
- Average wind speed in August: 13.9mph
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 August
Frederiksted, VI
- Average humidity in August: 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 August
Frederiksted, VI
- Average rainfall in August: 4.17"
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 August
Frederiksted, VI
- Average rainfall days in August: 24.7 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 August /
Average sunshine in August
Frederiksted, VI
- Average daylight in August: 12h and 4min
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 August: 8h and 5min
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 August
Frederiksted, VI
- Average sunshine days in August: 1.8 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 August
Frederiksted, VI
- Average UV index in August: 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 August
Frederiksted, VI
- Average cloud cover in August: 39
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 August
Frederiksted, VI
- Average visibility in August: 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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