August weather forecastWilliamsville, VT
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Williamsville, Vermont, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 56.8°F (13.8°C).Temperature
The shift into August uncovers an average high-temperature of a still moderately hot 77.9°F (25.5°C), subtly different from the previous month. Throughout the nights in August, Williamsville experiences an average low-temperature of 56.8°F (13.8°C).Humidity
In Williamsville, the average relative humidity in August is 77%.Rainfall
In Williamsville, Vermont, in August, during 8.4 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Williamsville, during the entire year, the rain falls for 91.5 days and collects up to 7.8" (198mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Williamsville, Vermont, the average length of the day in August is 13h and 53min.On the first day of August, sunrise is at 5:42 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:26 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.3h of sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in August translates into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. 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
Average temperature in August
Williamsville, VT
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in August: 56.8°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in August
Williamsville, VT
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Williamsville, VT
- Average wind speed in August: 5.1mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Williamsville, VT
- Average humidity in August: 77%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Williamsville, VT
- Average rainfall in August: 0.51"
The wettest month (with the highest rainfall) is November (0.87").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in August
Williamsville, VT
- Average rainfall days in August: 8.4 days
The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in August
Williamsville, VT
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Williamsville, VT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Williamsville, VT
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in August
Williamsville, VT
- Average sunshine days in August: 19.6 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in August
Williamsville, VT
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Williamsville, VT
- Average cloud cover in August: 34
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Williamsville, VT
- Average visibility in August: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
