August weather forecastSouthborough, MA
August
Weather in August
The last month of the summer, August, is another warm month in Southborough, Massachusetts, with an average temperature varying between 61.7°F (16.5°C) and 80.4°F (26.9°C).Temperature
Southborough's shift into August is marked by a subtle change to a still moderately hot 80.4°F (26.9°C) from July's 82°F (27.8°C) in temperature. During August, the temperature is averaged to a low of 61.7°F (16.5°C) at night.Humidity
In Southborough, Massachusetts, the average relative humidity in August is 75%.Rainfall
In Southborough, in August, it is raining for 13.7 days, with typically 2.13" (54mm) of accumulated precipitation. In Southborough, during the entire year, the rain falls for 140.8 days and collects up to 26.34" (669mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Southborough, the average length of the day in August is 13h and 50min.On the first day of August, sunrise is at 5:39 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:21 pm EDT.
Sunshine
With an average of 10.3h of sunshine, August has the most sunshine of the year.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In August, the maximum UV index of 6 suggests these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Southborough, MA
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in August
Southborough, MA
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Southborough, MA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Southborough, MA
- Average humidity in August: 75%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall in August
Southborough, MA
- Average rainfall in August: 2.13"
The wettest months (with the highest rainfall) are March, November and December (2.56").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in August
Southborough, MA
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in August
Southborough, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Southborough, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Southborough, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Southborough, MA
- Average sunshine days in August: 15.6 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in August
Southborough, MA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (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
Southborough, MA
- Average cloud cover in August: 34
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Southborough, MA
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).
