August weather forecastRockville, RI
August
Weather in August
The last month of the summer, August, is another warm month in Rockville, Rhode Island, with an average temperature ranging between min 63.7°F (17.6°C) and max 79.5°F (26.4°C).Temperature
July's transformation into August witnesses an average high-temperature of a still moderately hot 79.5°F (26.4°C), noting a minor change from the preceding month. Rockville records an average temperature drop to an enjoyable 63.7°F (17.6°C) in August.Humidity
The average relative humidity in August is 78%.Rainfall
In August, the rain falls for 16.1 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 162.4 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In Rockville, the average length of the day in August is 13h and 47min.On the first day of August, sunrise is at 5:42 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:21 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.3h 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 value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rockville, RI
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in August
Rockville, 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
Rockville, RI
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Rockville, RI
- Average humidity in August: 78%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Rockville, RI
- Average rainfall in August: 2.6"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in August
Rockville, RI
- Average rainfall days in August: 16.1 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in August
Rockville, RI
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Rockville, RI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Rockville, 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 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in August
Rockville, RI
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in August
Rockville, 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
Rockville, RI
- Average cloud cover in August: 32
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Rockville, 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).
