August weather forecastChesterbrook, PA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Chesterbrook, Pennsylvania, with an average temperature varying between 82.9°F (28.3°C) and 66°F (18.9°C).Temperature
August experiences an average high-temperature of a still moderately hot 82.9°F (28.3°C), barely different from July's 85.3°F (29.6°C). Chesterbrook records an average low of 66°F (18.9°C) throughout the nights in August.Heat index
The heat index in August is evaluated at a hot 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The months with the lowest humidity are April, July and August, with an average relative humidity of 73%.Rainfall
August is the month with the most rainfall in Chesterbrook. Rain falls for 15.4 days and accumulates 2.72" (69mm) of precipitation.Snowfall
In Chesterbrook, snow does not fall in June through September.Daylight
The average length of the day in August in Chesterbrook is 13h and 43min.On the first day of August, sunrise is at 6:00 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm EDT.
Sunshine
In August, the average sunshine is 9.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chesterbrook, PA
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in August: 66°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in August
Chesterbrook, PA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Chesterbrook, PA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Chesterbrook, PA
- Average humidity in August: 73%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in August
Chesterbrook, PA
- Average rainfall in August: 2.72"
The wettest month (with the highest rainfall) is August (2.72").
The driest months (with the least rainfall) are January, February and November (1.3").
Average rainfall days in August
Chesterbrook, PA
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in August
Chesterbrook, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Chesterbrook, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Chesterbrook, PA
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in August
Chesterbrook, PA
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in August
Chesterbrook, PA
- 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, March, November and December (UV index 2).
Average cloud cover in August
Chesterbrook, PA
- Average cloud cover in August: 35
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Chesterbrook, PA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





