August weather forecastGrampian, PA
August
Weather in August
August, the last month of the summer in Grampian, is also a moderately hot month, with an average temperature fluctuating between 79°F (26.1°C) and 56.1°F (13.4°C).Temperature
Grampian in August witnesses an average high-temperature of a still moderately hot 79°F (26.1°C), indicating a slight variation from July's 81.1°F (27.3°C). August nights are characterized by a notable drop from daytime highs, with an average low-temperature of 56.1°F (13.4°C).Humidity
The average relative humidity in August is 78%.Rainfall
In Grampian, in August, it is raining for 13.3 days, with typically 1.26" (32mm) of accumulated precipitation. In Grampian, during the entire year, the rain falls for 136.6 days and collects up to 18.54" (471mm) of precipitation.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 August in Grampian, sunrise is at 6:11 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:48 pm EDT.
Sunshine
July and August, with an average of 9.6h of sunshine, are months with the most sunshine.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grampian, PA
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in August: 56.1°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in August
Grampian, 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
Grampian, PA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Grampian, PA
- Average humidity in August: 78%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in August
Grampian, PA
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.06").
Average rainfall days in August
Grampian, PA
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in August
Grampian, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grampian, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grampian, 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 36min).
Average sunshine days in August
Grampian, PA
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in August
Grampian, 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
Grampian, PA
- Average cloud cover in August: 40
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in August
Grampian, 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).
