August weather forecastCornwallville, NY
August
Weather in August
August, the last month of the summer in Cornwallville, is another warm month, with an average temperature ranging between min 55.6°F (13.1°C) and max 76.6°F (24.8°C).Temperature
The average high-temperature is a still moderately hot 76.6°F (24.8°C) in August, hardly different from the 79°F (26.1°C) recorded in July. Cornwallville records an average low of 55.6°F (13.1°C) throughout the nights in August.Humidity
The average relative humidity in August is 79%.Rainfall
In August, the rain falls for 17.1 days. Throughout August, 2.95" (75mm) of precipitation is accumulated. In Cornwallville, New York, during the entire year, the rain falls for 152.5 days and collects up to 27.24" (692mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 51min.On the first day of August in Cornwallville, New York, sunrise is at 5:49 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:31 pm EDT.
Sunshine
The average sunshine in August is 9.9h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In August, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cornwallville, NY
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in August: 55.6°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in August
Cornwallville, NY
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Cornwallville, NY
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Cornwallville, NY
- Average humidity in August: 79%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in August
Cornwallville, NY
- Average rainfall in August: 2.95"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in August
Cornwallville, NY
- Average rainfall days in August: 17.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in August
Cornwallville, NY
- Average snowfall in August: 0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Cornwallville, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Cornwallville, NY
- 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 6min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in August
Cornwallville, NY
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in August
Cornwallville, NY
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Cornwallville, NY
- Average cloud cover in August: 38
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in August
Cornwallville, NY
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).





