August weather forecastShady Harbor, RI
August
Weather in August
The last month of the summer, August, is another warm month in Shady Harbor, Rhode Island, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 66.4°F (19.1°C).Temperature
The onset of August brings an average high-temperature of a still moderately hot 77.5°F (25.3°C), nearly matching the July temperature. In August, the average low-temperature records at a refreshing 66.4°F (19.1°C) during the nights.Humidity
The average relative humidity in August in Shady Harbor, Rhode Island, is 78%.Rainfall
In Shady Harbor, in August, during 16.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 154.6 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
In Shady Harbor, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:03 pm. On the last day of August, sunrise is at 6:12 am and sunset at 7:21 pm EDT.
Sunshine
With an average of 10.6h of sunshine, August has the most sunshine of the year in Shady Harbor.UV index
The months with the highest UV index in Shady Harbor are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Shady Harbor, 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
Shady Harbor, 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
Shady Harbor, 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
Shady Harbor, 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
Shady Harbor, 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 (1.81").
Average rainfall days in August
Shady Harbor, 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
Shady Harbor, 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
Shady Harbor, 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
Shady Harbor, 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 month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in August
Shady Harbor, 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
Shady Harbor, 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
Shady Harbor, 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
Shady Harbor, 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).





