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 initiation of August records an average high-temperature of a still warm 80.2°F (26.8°C), displaying a near consistency with the previous month. Throughout August, the average low-temperature records at a refreshing 60.3°F (15.7°C).Humidity
In Williamstown, the average relative humidity in August is 80%.Rainfall
In Williamstown, during August, the rain falls for 15.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Williamstown, during the entire year, the rain falls for 148.4 days and collects up to 25.55" (649mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August in Williamstown is 13h and 44min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:39 pm EDT.
Sunshine
The average sunshine in August is 9.9h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August in Williamstown?
When is the sunrise / sunset in August?
How many hours of sunshine does Williamstown have in August?
What is the UV index intensity in August in Williamstown?
Average temperature in August
Williamstown, PA
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in August
Williamstown, 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
Williamstown, PA
- Average wind speed in August: 4.6mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in August
Williamstown, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Williamstown, PA
- Average rainfall in August: 2.68"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in August
Williamstown, PA
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in August
Williamstown, PA
- Average snowfall in August: 0"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Williamstown, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Williamstown, PA
- Average daylight in August: 13h and 4min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in August
Williamstown, PA
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in August
Williamstown, PA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Williamstown, PA
- Average cloud cover in August: 35
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Williamstown, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Williamstown, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location