August weather forecastSullivan, OH
August
Weather in August
August, the last month of the summer in Sullivan, is another warm month, with an average temperature ranging between min 60.3°F (15.7°C) and max 79.2°F (26.2°C).Temperature
The advent of August sees the average high-temperature at a still warm 79.2°F (26.2°C), subtly shifted from July's 80.6°F (27°C). In the month of August, Sullivan witnesses a consistent average low-temperature of 60.3°F (15.7°C).Humidity
In August, the average relative humidity in Sullivan is 80%.Rainfall
In Sullivan, Ohio, in August, it is raining for 15 days, with typically 1.46" (37mm) of accumulated precipitation. In Sullivan, during the entire year, the rain falls for 128.1 days and collects up to 13.31" (338mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 46min.On the first day of August in Sullivan, sunrise is at 6:25 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:02 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 5 suggests this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sullivan, OH
- Average high temperature in August: 79.2°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 (30.9°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in August
Sullivan, OH
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Sullivan, OH
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in August
Sullivan, OH
- Average humidity in August: 80%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall in August
Sullivan, OH
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in August
Sullivan, OH
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in August
Sullivan, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Sullivan, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Sullivan, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in August
Sullivan, OH
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in August
Sullivan, OH
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Sullivan, OH
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Sullivan, OH
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
