August weather forecastRossiter, PA
August
Weather in August
The last month of the summer, August, is another warm month in Rossiter, Pennsylvania, with an average temperature varying between 57°F (13.9°C) and 79.2°F (26.2°C).Temperature
The arrival of August brings an average high-temperature of a still warm 79.2°F (26.2°C), subtly diverging from July's 81°F (27.2°C). The significant decline in Rossiter's temperature, from day to night, averages of 57°F (13.9°C) in August.Humidity
June through August, with an average relative humidity of 78%, are the least humid months.Rainfall
In Rossiter, in August, it is raining for 14.4 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 151.9 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:31 pm. On the last day of August, sunrise is at 6:42 am and sunset at 7:49 pm EDT.
Sunshine
July and August, with an average of 9.6h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 5 in August leads to these recommendations:
Take precautions - Protection against sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rossiter, PA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in August: 57°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in August
Rossiter, 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 (29.95"Hg).
Average wind speed in August
Rossiter, PA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Rossiter, PA
- Average humidity in August: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in August
Rossiter, PA
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is November (1.26").
Average rainfall days in August
Rossiter, PA
- Average rainfall days in August: 14.4 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in August
Rossiter, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rossiter, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rossiter, 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 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in August
Rossiter, PA
- Average sunshine days in August: 14.6 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in August
Rossiter, PA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Rossiter, PA
- Average cloud cover in August: 39
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in August
Rossiter, PA
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
