August weather forecastPerryville, RI
August
Weather in August
August, the last month of the summer in Perryville, is another warm month, with an average temperature fluctuating between 65.8°F (18.8°C) and 77.5°F (25.3°C).Temperature
July and August, with an average high-temperature of 77.5°F (25.3°C), are marked as the warmest months.Humidity
In August, the average relative humidity is 78%.Rainfall
In Perryville, in August, during 14.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Perryville, during the entire year, the rain falls for 145.1 days and collects up to 30" (762mm) of precipitation.Snowfall
In Perryville, snow does not fall in April through November.Daylight
In Perryville, the average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:03 pm. On the last day of August, sunrise is at 6:12 am and sunset at 7:20 pm EDT.
Sunshine
With an average of 10.5h of sunshine, August has the most sunshine of the year.UV index
The months with the highest UV index in Perryville are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during August translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Perryville, RI
- Average high temperature in August: 77.5°F
The warmest months (with the highest average high temperature) are July and August (77.5°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in August
Perryville, RI
- 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 (29.93"Hg).
Average wind speed in August
Perryville, RI
- Average wind speed in August: 8.4mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity in August
Perryville, RI
- Average humidity in August: 78%
The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are March, April and November (74%).
Average rainfall in August
Perryville, RI
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in August
Perryville, RI
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in August
Perryville, RI
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Perryville, RI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Perryville, RI
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Perryville, RI
- Average sunshine days in August: 13.5 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in August
Perryville, RI
- 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
Perryville, RI
- Average cloud cover in August: 29
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Perryville, RI
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





