August weather forecastMarsteller, PA
August
Weather in August
August, the last month of the summer in Marsteller, is also a moderately hot month, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 57°F (13.9°C).Temperature
Marsteller records an average high-temperature of a still moderately hot 78.4°F (25.8°C) in August, closely mirroring the climate of the previous month. Marsteller throughout August, records an average low-temperature of 57°F (13.9°C).Humidity
The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.Rainfall
In Marsteller, in August, it is raining for 12.5 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 121.6 rainfall days, and 10.75" (273mm) of precipitation is accumulated.Snowfall
In Marsteller, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 44min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:30 pm. On the last day of August, sunrise is at 6:42 am and sunset at 7:48 pm EDT.
Sunshine
In Marsteller, the average sunshine in August is 9.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In August, a regular UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marsteller, PA
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (80.2°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 (18.5°F).
Average pressure in August
Marsteller, 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
Marsteller, PA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Marsteller, PA
- Average humidity in August: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in August
Marsteller, PA
- Average rainfall in August: 0.94"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in August
Marsteller, PA
- Average rainfall days in August: 12.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in August
Marsteller, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Marsteller, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marsteller, PA
- 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 18min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in August
Marsteller, PA
- Average sunshine days in August: 16 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in August
Marsteller, 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
Marsteller, PA
- Average cloud cover in August: 38
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in August
Marsteller, PA
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





