August weather forecastGrafton, VT
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Grafton, Vermont, with an average temperature ranging between min 55.6°F (13.1°C) and max 77.2°F (25.1°C).Temperature
Grafton experiences an average high-temperature of a still moderately hot 77.2°F (25.1°C) in August, marking an insignificant shift from 79°F (26.1°C) in July. A considerable shift from the daytime highs is observed during August nights, with an average low of 55.6°F (13.1°C).Humidity
In August, the average relative humidity is 78%.Rainfall
In Grafton, in August, it is raining for 15.5 days, with typically 2.05" (52mm) of accumulated precipitation. In Grafton, during the entire year, the rain falls for 164.2 days and collects up to 27.01" (686mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Grafton, the average length of the day in August is 13h and 54min.On the first day of August, sunrise is at 5:41 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
The months with the most sunshine are July and August, with an average of 10.2h 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 reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during August leads to these instructions:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grafton, VT
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.1°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 (13.6°F).
Average pressure in August
Grafton, 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
Grafton, VT
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Grafton, VT
- Average humidity in August: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in August
Grafton, VT
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in August
Grafton, VT
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in August
Grafton, VT
- Average snowfall in August: 0"
The month with the highest snowfall is February (9.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grafton, VT
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grafton, 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 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
Grafton, VT
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (10 days).
Average UV index in August
Grafton, 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
Grafton, VT
- Average cloud cover in August: 35
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Grafton, VT
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
