August weather forecastMcGrann, PA
August
Weather in August
The last month of the summer, August, is another warm month in McGrann, Pennsylvania, with an average temperature fluctuating between 80.4°F (26.9°C) and 58.6°F (14.8°C).Temperature
The average high-temperature during August is a still warm 80.4°F (26.9°C), almost matching the conditions of the preceding month. McGrann logs a substantial downturn to a mild 58.6°F (14.8°C) during August nights, a considerable shift from daytime highs.Humidity
April, July and August, with an average relative humidity of 77%, are the least humid months.Rainfall
In McGrann, in August, it is raining for 17.4 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 182.9 rainfall days, and 34.88" (886mm) of precipitation is accumulated.Snowfall
In McGrann, snow does not fall in June through September.Daylight
The average length of the day in August in McGrann is 13h and 45min.On the first day of August, sunrise is at 6:15 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 7:51 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.1h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 in August translates into these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
McGrann, PA
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in August: 58.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in August
McGrann, 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
McGrann, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
McGrann, PA
- Average humidity in August: 77%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in August
McGrann, PA
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in August
McGrann, PA
- Average rainfall days in August: 17.4 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in August
McGrann, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
McGrann, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
McGrann, PA
- Average daylight in August: 13h and 42min
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: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in August
McGrann, PA
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (7 days).
Average UV index in August
McGrann, PA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
McGrann, PA
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
McGrann, 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).





