August weather forecastDelmont, NJ
August
Weather in August
August, the last month of the summer in Delmont, is another warm month, with an average temperature varying between 71.6°F (22°C) and 79.9°F (26.6°C).Temperature
Delmont experiences a subtle adjustment in high-temperatures to a still warm 79.9°F (26.6°C) with the onset of August, maintaining near parity with July's 80.8°F (27.1°C). In Delmont, the nighttime temperature in August descends gently to an average of 71.6°F (22°C).Humidity
The average relative humidity in August is 77%.Rainfall
August is the month with the most rainfall. Rain falls for 13.5 days and accumulates 1.61" (41mm) of precipitation.Snowfall
In Delmont, snow does not fall in April through October.Daylight
The average length of the day in August is 13h and 40min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:31 pm EDT.
Sunshine
In Delmont, the average sunshine in August is 10.7h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 in August translates into these instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Delmont, NJ
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in August: 71.6°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in August
Delmont, 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 (29.94"Hg).
Average wind speed in August
Delmont, NJ
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in August
Delmont, NJ
- Average humidity in August: 77%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in August
Delmont, NJ
- Average rainfall in August: 1.61"
The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in August
Delmont, NJ
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7 days).
Average snowfall in August
Delmont, NJ
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Delmont, NJ
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Delmont, NJ
- Average daylight in August: 13h and 42min
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 42min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in August
Delmont, NJ
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in August
Delmont, 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 and December (UV index 2).
Average cloud cover in August
Delmont, NJ
- Average cloud cover in August: 26
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in August
Delmont, 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).





