August weather forecastGrafton, OH
August
Weather in August
August, the last month of the summer in Grafton, is another warm month, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 64°F (17.8°C).Temperature
Grafton's August showcases an average high-temperature of a still moderately hot 77.5°F (25.3°C), hardly distinct from July's 78.4°F (25.8°C). In Grafton, an average nighttime temperature of 64°F (17.8°C) is expected during August.Humidity
In Grafton, the average relative humidity in August is 78%.Rainfall
In Grafton, Ohio, in August, during 16.5 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Grafton, during the entire year, the rain falls for 163.6 days and collects up to 29.88" (759mm) of precipitation.Snowfall
In Grafton, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 47min.On the first day of August, sunrise is at 6:24 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:02 pm EDT.
Sunshine
The average sunshine in August is 10.4h.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grafton, OH
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in August
Grafton, OH
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Grafton, OH
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in August
Grafton, OH
- Average humidity in August: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in August
Grafton, OH
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are February and December (1.81").
Average rainfall days in August
Grafton, OH
- Average rainfall days in August: 16.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in August
Grafton, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grafton, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grafton, OH
- 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 18min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in August
Grafton, OH
- Average sunshine days in August: 12.6 days
The month with the most sunshine days is October (13.6 days).
The months with the least sunshine days are January and February (9 days).
Average UV index in August
Grafton, OH
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Grafton, OH
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in August
Grafton, OH
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





