August weather forecastChester, NJ
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Chester, New Jersey, with an average temperature ranging between min 63°F (17.2°C) and max 81.3°F (27.4°C).Temperature
The onset of August notes an average high-temperature of a still warm 81.3°F (27.4°C), subtly shifted from July's 83.7°F (28.7°C). Chester's August nights cool down to an average low-temperature of 63°F (17.2°C).Heat index
August's heat index is estimated at a tropical 86°F (30°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
The average relative humidity in August is 76%.Rainfall
In August, the rain falls for 15.5 days. Throughout August, 2.91" (74mm) of precipitation is accumulated. In Chester, during the entire year, the rain falls for 162.6 days and collects up to 33.11" (841mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 45min.On the first day of August, sunrise is at 5:56 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:32 pm EDT.
Sunshine
In Chester, the average sunshine in August is 10h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chester, NJ
- Average high temperature in August: 81.3°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in August: 63°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in August
Chester, NJ
- Average pressure in August: 29.99"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
Chester, NJ
- Average wind speed in August: 5.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Chester, NJ
- Average humidity in August: 76%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in August
Chester, NJ
- Average rainfall in August: 2.91"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in August
Chester, NJ
- Average rainfall days in August: 15.5 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in August
Chester, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Chester, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Chester, NJ
- Average daylight in August: 13h and 42min
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 July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Chester, NJ
- Average sunshine days in August: 12.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in August
Chester, NJ
- Average UV index in August: 5
The months with the highest UV index are June and July (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
Chester, NJ
- Average cloud cover in August: 34
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Chester, NJ
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
