August weather forecastVergennes, VT
August
Weather in August
August starts with similar weather patterns as July in Vergennes but witnesses a drop in temperature. The city continues to bask in the summer sun, with a slight decline in sunshine hours. Rainfall remains consistent, preventing the weather from turning overly parched. Broadly, August carries forward the summer spirit from July but prepares the city to welcome the fall.Temperature
August's arrival in Vergennes, Vermont, brings an average high-temperature of a still moderately hot 76.8°F (24.9°C), demonstrating subtle variation from the preceding month. In Vergennes, following the steep rise of daytime temperatures, an average nighttime low of 55°F (12.8°C) is anticipated during August.Humidity
The average relative humidity in August is 78%.Rainfall
In Vergennes, during August, the rain falls for 16.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Vergennes, during the entire year, the rain falls for 174 days and collects up to 26.06" (662mm) of precipitation.Snowfall
In Vergennes, snow does not fall in June through September.Daylight
In Vergennes, the average length of the day in August is 13h and 58min.On the first day of August, sunrise is at 5:41 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:30 pm EDT.
Sunshine
In Vergennes, the average sunshine in August 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 estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 5 suggests this advice:
Take precautions - Protection against skin and eye damage is obliged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Vergennes, VT
- Average high temperature in August: 76.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in August: 55°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in August
Vergennes, 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
Vergennes, VT
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Vergennes, VT
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in August
Vergennes, VT
- Average rainfall in August: 2.48"
The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (1.65").
Average rainfall days in August
Vergennes, VT
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is April (18.4 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in August
Vergennes, VT
- Average snowfall in August: 0"
The month with the highest snowfall is February (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Vergennes, VT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Vergennes, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in August
Vergennes, VT
- Average sunshine days in August: 12 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (7 days).
Average UV index in August
Vergennes, 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
Vergennes, VT
- Average cloud cover in August: 34
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in August
Vergennes, VT
- Average visibility in August: 5mi
The month with the highest visibility is May (6mi).
The months with the lowest visibility are February and March (4mi).





