August weather forecastRoyalston, MA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Royalston, Massachusetts, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 57.9°F (14.4°C).Temperature
The beginning of August records an average high-temperature of a still warm 77.5°F (25.3°C), almost echoing the conditions of the previous month. Throughout August, Royalston experiences a low-temperature average of 57.9°F (14.4°C).Humidity
The average relative humidity in August is 78%.Rainfall
In August, the rain falls for 15.2 days. Throughout August, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 143.2 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 52min.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 months with the most sunshine are July and August, with an average of 9.9h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Royalston, MA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 57.9°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 (16.2°F).
Average pressure in August
Royalston, MA
- Average pressure in August: 29.97"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
Royalston, MA
- Average wind speed in August: 5.4mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in August
Royalston, MA
- Average humidity in August: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Royalston, MA
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in August
Royalston, MA
- Average rainfall days in August: 15.2 days
The months with the highest number of rainy days are May and June (15.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in August
Royalston, MA
- Average snowfall in August: 0"
The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Royalston, MA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Royalston, 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: 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 6min).
Average sunshine days in August
Royalston, MA
- Average sunshine days in August: 14.6 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in August
Royalston, MA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Royalston, MA
- Average cloud cover in August: 38
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in August
Royalston, 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).





