July weather forecastWilliamsville, VT
July
Weather in July
July, like June, in Williamsville, Vermont, is a moderately hot summer month, with an average temperature fluctuating between 79.7°F (26.5°C) and 58.8°F (14.9°C).Temperature
July, noted for its average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 58.8°F (14.9°C), is considered the warmest month.Humidity
In Williamsville, the average relative humidity in July is 76%.Rainfall
In Williamsville, in July, it is raining for 9.8 days, with typically 0.79" (20mm) of accumulated precipitation. 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 July, the average length of the day in Williamsville is 14h and 59min.On the first day of the month, sunrise is at 5:16 am and sunset at 8:33 pm. On the last day of July, sunrise is at 5:41 am and sunset at 8:12 pm EDT.
Sunshine
In July, the average sunshine is 10.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 5 in July translates into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. 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
Average temperature in July
Williamsville, VT
- Average high temperature in July: 79.7°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 July: 58.8°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 July
Williamsville, VT
- Average pressure in July: 29.94"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 July
Williamsville, VT
- Average wind speed in July: 5.3mph
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 July
Williamsville, VT
- Average humidity in July: 76%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in July
Williamsville, VT
- Average rainfall in July: 0.79"
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 July
Williamsville, VT
- Average rainfall days in July: 9.8 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 July
Williamsville, VT
- Average snowfall in July: 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 July
Williamsville, VT
- Average snowfall days in July: 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 July /
Average sunshine in July
Williamsville, VT
- Average daylight in July: 15h and 0min
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 July: 10h and 12min
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 July
Williamsville, VT
- Average sunshine days in July: 17.6 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 July
Williamsville, VT
- Average UV index in July: 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 July
Williamsville, VT
- Average cloud cover in July: 36
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 July
Williamsville, VT
- Average visibility in July: 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).





