August weather forecastPetersham, MA
August
Weather in August
August, the last month of the summer in Petersham, is another warm month, with an average temperature varying between 58.3°F (14.6°C) and 78.4°F (25.8°C).Temperature
August experiences an average high-temperature of a still warm 78.4°F (25.8°C), barely different from July's 81°F (27.2°C). Petersham witnesses a consistent average low-temperature of 58.3°F (14.6°C) throughout August.Humidity
The average relative humidity in August is 77%.Rainfall
In Petersham, during August, the rain falls for 14.2 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Petersham, during the entire year, the rain falls for 145 days and collects up to 28.03" (712mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 51min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:08 pm. On the last day of August, sunrise is at 6:13 am and sunset at 7:24 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.2h of sunshine.UV index
In Petersham, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, a regular UV index of 5 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Petersham, MA
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in August: 58.3°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in August
Petersham, 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
Petersham, MA
- Average wind speed in August: 5.2mph
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 (5.2mph).
Average humidity in August
Petersham, 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
Petersham, MA
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is October (2.8").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in August
Petersham, MA
- Average rainfall days in August: 14.2 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in August
Petersham, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Petersham, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Petersham, MA
- Average daylight in August: 13h and 54min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Petersham, MA
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (13 days).
Average UV index in August
Petersham, MA
- Average UV index in August: 5
The month with the highest UV index is 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
Petersham, 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
Petersham, MA
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
