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
In August, Saint Clair experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 79°F (26.1°C), closely mirroring the climate in July. Throughout August, a steady low-temperature average of 59.5°F (15.3°C) is noted.Humidity
The average relative humidity in August in Saint Clair, Pennsylvania, is 80%.Rainfall
In Saint Clair, in August, during 16.2 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, in Saint Clair, there are 172.9 rainfall days, and 34.21" (869mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Saint Clair, Pennsylvania.Daylight
In August, the average length of the day in Saint Clair is 13h and 45min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:19 pm. On the last day of August, in Saint Clair, sunrise is at 6:31 am and sunset at 7:38 pm EDT.
Sunshine
The average sunshine in August in Saint Clair is 10h.UV index
In August, the average daily maximum UV index in Saint Clair is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 during August translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the temperature in August in Saint Clair?
What is the average humidity in August in Saint Clair?
How many days does it rain in August in Saint Clair?
When it does not snow in Saint Clair?
How many hours of daylight does Saint Clair have in August?
When are sunrise and sunset in August in Saint Clair?
How long on average sun shines in August in Saint Clair?
What is the UV index reading in August in Saint Clair?
Average temperature in August
Saint Clair, PA
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in August
Saint Clair, 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
Saint Clair, PA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in August
Saint Clair, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Saint Clair, PA
- Average rainfall in August: 3.07"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in August
Saint Clair, PA
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and November (10.8 days).
Average snowfall in August
Saint Clair, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Saint Clair, 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
Saint Clair, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).
Average sunshine days in August
Saint Clair, PA
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in August
Saint Clair, 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, November and December (UV index 2).
Average cloud cover in August
Saint Clair, PA
- Average cloud cover in August: 34
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Saint Clair, 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).
Saint Clair, Pennsylvania, USA
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