August weather forecastWest Cornwall, CT
August
Weather in August
The last month of the summer, August, is another warm month in West Cornwall, Connecticut, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 59.4°F (15.2°C).Temperature
August's arrival brings an average high-temperature of a still warm 79.2°F (26.2°C), slightly deviating from July's 81.1°F (27.3°C). During August, West Cornwall experiences an average low-temperature of 59.4°F (15.2°C) at night.Humidity
The average relative humidity in August is 78%.Rainfall
In August, in West Cornwall, the rain falls for 16.3 days. Throughout August, 2.87" (73mm) of precipitation is accumulated. Throughout the year, in West Cornwall, there are 160.5 rainfall days, and 33.86" (860mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August in West Cornwall is 13h and 49min.On the first day of August, sunrise is at 5:48 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:28 pm EDT.
Sunshine
The average sunshine in August in West Cornwall is 10h.UV index
In August, the average daily maximum UV index in West Cornwall is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In August, an average UV index of 5 transforms into the following instructions:
Take precautions - Protection against sun damage is advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
West Cornwall, CT
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in August
West Cornwall, CT
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
West Cornwall, CT
- Average wind speed in August: 5mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in August
West Cornwall, CT
- Average humidity in August: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
West Cornwall, CT
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is July (3.54").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in August
West Cornwall, CT
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in August
West Cornwall, CT
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
West Cornwall, CT
- 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
West Cornwall, CT
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
West Cornwall, CT
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in August
West Cornwall, CT
- Average UV index in August: 5
The month with the highest UV index is June (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
West Cornwall, CT
- Average cloud cover in August: 37
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in August
West Cornwall, CT
- Average visibility in August: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
