August weather forecastDeerfield, MA
August
Weather in August
August, the last month of the summer in Deerfield, is also a moderately hot month, with an average temperature fluctuating between 58.3°F (14.6°C) and 79.2°F (26.2°C).Temperature
The advent of August brings an average high-temperature of a still warm 79.2°F (26.2°C), almost identical to the preceding month. Deerfield observes an average nighttime temperature of 58.3°F (14.6°C) during August.Humidity
In August, the average relative humidity is 77%.Rainfall
In August, the rain falls for 13.5 days. Throughout August, 1.93" (49mm) of precipitation is accumulated. In Deerfield, during the entire year, the rain falls for 147.7 days and collects up to 28.9" (734mm) of precipitation.Snowfall
In Deerfield, snow does not fall in June through September.Daylight
In Deerfield, the average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:15 am and sunset at 7:25 pm EDT.
Sunshine
In August, the average sunshine is 10.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In August, the maximum UV index of 5 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Deerfield, MA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in August: 58.3°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in August
Deerfield, MA
- Average pressure in August: 29.98"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
Deerfield, MA
- Average wind speed in August: 5.1mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Deerfield, MA
- Average humidity in August: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Deerfield, MA
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in August
Deerfield, MA
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is April (15.3 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in August
Deerfield, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Deerfield, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Deerfield, MA
- 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Deerfield, MA
- Average sunshine days in August: 15.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in August
Deerfield, MA
- 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, February, March, October, November and December (UV index 2).
Average cloud cover in August
Deerfield, MA
- Average cloud cover in August: 35
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Deerfield, 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).





