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 snowfall in August
- Average snowfall 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
As Williston steps into August, the average high-temperature holds at a still warm 76.5°F (24.7°C), hinting at a minor fluctuation from the prior month. An average minimum temperature of 55.6°F (13.1°C) is recorded during the month of August.Humidity
In Williston, the average relative humidity in August is 78%.Rainfall
In Williston, Vermont, in August, it is raining for 16.7 days, with typically 2.64" (67mm) of accumulated precipitation. In Williston, during the entire year, the rain falls for 161.7 days and collects up to 29.33" (745mm) of precipitation.Snowfall
In Williston, snow does not fall in June through September.Daylight
In August, the average length of the day in Williston is 13h and 59min.On the first day of August in Williston, sunrise is at 5:40 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:30 pm EDT.
Sunshine
In August, the average sunshine in Williston is 10h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. 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
What is the average August temperature in Williston?
What is the average humidity in August in Williston?
How many days does it rain in August in Williston?
When it does not snow in Williston?
What is the average length of the day in August in Williston?
When is the sunrise / sunset in August in Williston?
How long on average sun shines in August in Williston?
What are the months with the highest UV index in Williston?
What is the UV index reading in August in Williston?
Average temperature in August
Williston, VT
- Average high temperature in August: 76.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in August: 55.6°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in August
Williston, VT
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Williston, VT
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Williston, VT
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in August
Williston, VT
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in August
Williston, VT
- Average rainfall days in August: 16.7 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in August
Williston, VT
- Average snowfall in August: 0"
The month with the highest snowfall is February (11.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Williston, VT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Williston, VT
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in August
Williston, VT
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in August
Williston, VT
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Williston, VT
- Average cloud cover in August: 36
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in August
Williston, VT
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Williston, Vermont, USA
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