Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The start of August sees the average high-temperature at a still moderately hot 78.3°F (25.7°C), showing little difference from July's 80.8°F (27.1°C). South Sterling observes an average nighttime low-temperature of 57.7°F (14.3°C) during the month of August.Humidity
In August, the average relative humidity in South Sterling is 79%.Rainfall
In South Sterling, in August, during 15.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 154.8 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
In South Sterling, Pennsylvania, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:17 pm. On the last day of August, in South Sterling, sunrise is at 6:27 am and sunset at 7:35 pm EDT.
Sunshine
The average sunshine in August is 9.6h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in South Sterling. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during August translates into the following guidance:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average August temperature in South Sterling?
What is the average humidity in August in South Sterling?
How many days does it rain in August in South Sterling?
When it does not snow in South Sterling?
How many hours of daylight does South Sterling have in August?
What time are sunrise and sunset in August in South Sterling?
How long on average sun shines in August in South Sterling?
What is the month with the highest UV index in South Sterling?
How high is the UV index in August in South Sterling?
Average temperature in August
South Sterling, PA
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in August: 57.7°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in August
South Sterling, PA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
South Sterling, PA
- Average wind speed in August: 5.4mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in August
South Sterling, PA
- Average humidity in August: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in August
South Sterling, PA
- Average rainfall in August: 2.91"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in August
South Sterling, PA
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in August
South Sterling, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
South Sterling, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
South Sterling, PA
- Average daylight in August: 13h and 5min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in August
South Sterling, PA
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in August
South Sterling, 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
South Sterling, PA
- Average cloud cover in August: 39
The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in August
South Sterling, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
South Sterling, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
