August weather forecastChester, OH
August
Weather in August
The last month of the summer, August, is another warm month in Chester, Ohio, with an average temperature varying between 62.6°F (17°C) and 85.6°F (29.8°C).Temperature
With the start of August, Chester measures an average high-temperature of a moderately hot 85.6°F (29.8°C), not significantly differing from July's 86.5°F (30.3°C). Chester sees a consistent average low-temperature of 62.6°F (17°C) in August, indicating a substantial decrease from the day's temperature.Heat index
August's heat index is computed to be a fiery hot 96.8°F (36°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The least humid month is August, with an average relative humidity of 74%.Rainfall
In August, the rain falls for 15 days. Throughout August, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 170.5 rainfall days, and 33.39" (848mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Chester, the average length of the day in August is 13h and 39min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:39 pm. On the last day of August, in Chester, sunrise is at 6:56 am and sunset at 7:59 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.3h of sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In August, the maximum UV index of 6 suggests these recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chester, OH
- Average high temperature in August: 85.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in August
Chester, OH
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Chester, OH
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in August
Chester, OH
- Average humidity in August: 74%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in August
Chester, OH
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in August
Chester, OH
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in August
Chester, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Chester, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Chester, OH
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Chester, OH
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in August
Chester, OH
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Chester, OH
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Chester, OH
- 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).





