August weather forecastKeswick Grove, NJ
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Keswick Grove, New Jersey, with temperature in the range of an average low of 68°F (20°C) and an average high of 81.1°F (27.3°C).Temperature
The beginning of August records an average high-temperature of a still warm 81.1°F (27.3°C), marking a negligible difference from July's 82.9°F (28.3°C). The average temperature drops to an agreeable 68°F (20°C) during the night in the month of August.Heat index
August's mean heat index is computed to be a hot 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Observations indicate that the heat index values are for shady locations with light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Keswick Grove, the average relative humidity in August is 76%.Rainfall
In Keswick Grove, during August, the rain falls for 11.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 114.4 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 13h and 42min.On the first day of the month, sunrise is at 5:56 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:29 pm EDT.
Sunshine
In August, the average sunshine is 10.3h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 in August translates into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Keswick Grove, NJ
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in August: 68°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in August
Keswick Grove, NJ
- 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
Keswick Grove, NJ
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Keswick Grove, NJ
- Average humidity in August: 76%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in August
Keswick Grove, NJ
- Average rainfall in August: 1.14"
The wettest month (with the highest rainfall) is July (1.38").
The driest months (with the least rainfall) are January and September (0.55").
Average rainfall days in August
Keswick Grove, NJ
- Average rainfall days in August: 11.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in August
Keswick Grove, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Keswick Grove, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Keswick Grove, NJ
- 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: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Keswick Grove, NJ
- Average sunshine days in August: 16.8 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in August
Keswick Grove, NJ
- Average UV index in August: 6
The months with the highest UV index are 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
Keswick Grove, NJ
- Average cloud cover in August: 30
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in August
Keswick Grove, NJ
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





