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 advent of August sees the average high-temperature at a still warm 79.9°F (26.6°C), subtly shifted from July's 82.2°F (27.9°C). Saint Clairsville experiences a significant contrast between daily highs and an average nighttime temperature of 58.1°F (14.5°C) during August.Humidity
In August, the average relative humidity is 78%.Rainfall
In Saint Clairsville, during August, the rain falls for 13.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 126 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Saint Clairsville.Daylight
The average length of the day in August is 13h and 43min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:41 am and sunset at 7:46 pm EDT.
Sunshine
In Saint Clairsville, 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 medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Saint Clairsville?
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?
When is the sunrise / sunset in August?
How many hours of sunshine does Saint Clairsville have in August?
What is the UV index reading in August?
Average temperature in August
Saint Clairsville, PA
- Average high temperature in August: 79.9°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 (32.7°F).
- Average low temperature in August: 58.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in August
Saint Clairsville, PA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Saint Clairsville, PA
- Average wind speed in August: 4.7mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in August
Saint Clairsville, PA
- Average humidity in August: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in August
Saint Clairsville, PA
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in August
Saint Clairsville, PA
- Average rainfall days in August: 13.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in August
Saint Clairsville, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Saint Clairsville, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Saint Clairsville, 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 24min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Saint Clairsville, PA
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in August
Saint Clairsville, PA
- Average UV index in August: 5
The month with the highest UV index is June (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 Clairsville, PA
- Average cloud cover in August: 36
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in August
Saint Clairsville, PA
- Average visibility in August: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Saint Clairsville, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location