August weather forecastSouth Williamsport, PA
August
Weather in August
August, the last month of the summer in South Williamsport, is another warm month, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 79.2°F (26.2°C).Temperature
The initiation of August records an average high-temperature of a still warm 79.2°F (26.2°C), displaying a near consistency with the previous month. South Williamsport experiences a significant downturn from peak daytime temperatures throughout August, with the average low-temperature dipping to a refreshing 57.2°F (14°C).Humidity
In August, the average relative humidity is 79%.Rainfall
In South Williamsport, in August, it is raining for 14 days, with typically 1.5" (38mm) of accumulated precipitation. In South Williamsport, Pennsylvania, during the entire year, the rain falls for 145.2 days and collects up to 16.57" (421mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 47min.On the first day of August, sunrise is at 6:04 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:41 pm EDT.
Sunshine
The average sunshine in August in South Williamsport is 9.8h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
South Williamsport, PA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in August: 57.2°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in August
South Williamsport, 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
South Williamsport, PA
- Average wind speed in August: 4.8mph
The windiest months (with the highest average wind speed) are January, March and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
South Williamsport, PA
- Average humidity in August: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in August
South Williamsport, PA
- Average rainfall in August: 1.5"
The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in August
South Williamsport, PA
- Average rainfall days in August: 14 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in August
South Williamsport, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
South Williamsport, 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
South Williamsport, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in August
South Williamsport, PA
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in August
South Williamsport, 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, February, March, October, November and December (UV index 2).
Average cloud cover in August
South Williamsport, PA
- Average cloud cover in August: 37
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in August
South Williamsport, PA
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).
