August weather forecastGranville, MA
August
Weather in August
August, the last month of the summer in Granville, is also a moderately hot month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 79.7°F (26.5°C).Temperature
With the start of August, Granville measures an average high-temperature of a still warm 79.7°F (26.5°C), not significantly differing from July's 81.5°F (27.5°C). Granville's average low-temperature during August nights is observed to be a mild 59.5°F (15.3°C).Humidity
In August, the average relative humidity is 77%.Rainfall
In Granville, in August, during 16.8 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 165.4 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 50min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:26 pm EDT.
Sunshine
July and August, with an average of 9.9h of sunshine, are months with the most sunshine.UV index
In Granville, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during August translates into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Granville, MA
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in August
Granville, MA
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Granville, MA
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in August
Granville, MA
- Average humidity in August: 77%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Granville, MA
- Average rainfall in August: 2.95"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in August
Granville, MA
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in August
Granville, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Granville, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Granville, MA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in August
Granville, MA
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is January (16.6 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in August
Granville, MA
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Granville, MA
- Average cloud cover in August: 37
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in August
Granville, MA
- 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).





