August weather forecastStillmanville, RI
August
Weather in August
The last month of the summer, August, is another warm month in Stillmanville, Rhode Island, with an average temperature fluctuating between 66.4°F (19.1°C) and 77.5°F (25.3°C).Temperature
During August, Stillmanville observes a subtle ascent to a still warm 77.5°F (25.3°C) from July's 77.7°F (25.4°C) in the average high-temperature. An average temperature of 66.4°F (19.1°C) is recorded during the nights in August.Humidity
The average relative humidity in August is 78%.Rainfall
In Stillmanville, in August, during 16.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 154.5 rainfall days, and 31.46" (799mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Stillmanville, the average length of the day in August is 13h and 47min.On the first day of August, sunrise is at 5:43 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:21 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.6h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 6 in August transforms into this advice:
Shun overexposure. Protection from sun ravages is indispensable. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Stillmanville, RI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in August: 66.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in August
Stillmanville, RI
- 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 (29.93"Hg).
Average wind speed in August
Stillmanville, RI
- Average wind speed in August: 8.3mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in August
Stillmanville, RI
- Average humidity in August: 78%
The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in August
Stillmanville, RI
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in August
Stillmanville, RI
- Average rainfall days in August: 16.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in August
Stillmanville, RI
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Stillmanville, RI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.6 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
Stillmanville, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in August
Stillmanville, RI
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in August
Stillmanville, 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 and December (UV index 2).
Average cloud cover in August
Stillmanville, RI
- Average cloud cover in August: 28
The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Stillmanville, 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).
