August weather forecastCastle Rocks, PA
August
Weather in August
August, the last month of the summer in Castle Rocks, is another warm month, with an average temperature fluctuating between 79.2°F (26.2°C) and 56.7°F (13.7°C).Temperature
The introduction of August notes a subtle temperature variation to a still moderately hot 79.2°F (26.2°C) from July's 81.9°F (27.7°C). Throughout August, Castle Rocks registers a distinct decrease from daytime highs, reaching an average low of 56.7°F (13.7°C).Humidity
In Castle Rocks, the average relative humidity in August is 79%.Rainfall
In August, in Castle Rocks, the rain falls for 16.3 days. Throughout August, 2.56" (65mm) of precipitation is accumulated. In Castle Rocks, during the entire year, the rain falls for 181 days and collects up to 33.07" (840mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Castle Rocks, the average length of the day in August is 13h and 46min.On the first day of August, sunrise is at 6:05 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:42 pm EDT.
Sunshine
The average sunshine in August is 9.9h.UV index
In Castle Rocks, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 5 in August suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Castle Rocks, PA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in August: 56.7°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in August
Castle Rocks, PA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Castle Rocks, PA
- Average wind speed in August: 4.8mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Castle Rocks, PA
- Average humidity in August: 79%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in August
Castle Rocks, PA
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in August
Castle Rocks, PA
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in August
Castle Rocks, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Castle Rocks, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Castle Rocks, PA
- Average daylight in August: 13h and 48min
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: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Castle Rocks, PA
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in August
Castle Rocks, PA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Castle Rocks, PA
- Average cloud cover in August: 37
The months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in August
Castle Rocks, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).





