August weather forecastChesterfield, MA
August
Weather in August
August, the last month of the summer in Chesterfield, is also a moderately hot month, with an average temperature fluctuating between 57.4°F (14.1°C) and 79°F (26.1°C).Temperature
Chesterfield experiences an average high-temperature of a still moderately hot 79°F (26.1°C) in August, subtly different from July's 80.8°F (27.1°C). Chesterfield sees a major change from daytime highs, with the nighttime temperature dipping to a refreshing 57.4°F (14.1°C) on average during August.Humidity
In August, the average relative humidity is 76%.Rainfall
The month with the least rainfall is August, when the rain falls for 12.3 days and typically collects 1.57" (40mm) of precipitation.Snowfall
In Chesterfield, Massachusetts, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 51min.On the first day of the month, sunrise is at 5:44 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
With an average of 10.4h of sunshine, August has the most sunshine of the year.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chesterfield, MA
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 57.4°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 (16.2°F).
Average pressure in August
Chesterfield, MA
- 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
Chesterfield, MA
- Average wind speed in August: 5mph
The windiest months (with the highest average wind speed) are February and March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Chesterfield, MA
- Average humidity in August: 76%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Chesterfield, MA
- Average rainfall in August: 1.57"
The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is August (1.57").
Average rainfall days in August
Chesterfield, MA
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in August
Chesterfield, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Chesterfield, 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
Chesterfield, 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 6min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Chesterfield, MA
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in August
Chesterfield, MA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Chesterfield, MA
- Average cloud cover in August: 33
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Chesterfield, MA
- Average visibility in August: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
