August weather forecastPetersburg, WV
August
Weather in August
The last month of the summer, August, is another warm month in Petersburg, West Virginia, with an average temperature ranging between min 56.8°F (13.8°C) and max 81.1°F (27.3°C).Temperature
Petersburg's transition from July to August introduces an average high-temperature of a still warm 81.1°F (27.3°C), marking an insignificant variation from the 82.9°F (28.3°C). Petersburg records a pronounced decline from the day's peak to an average nighttime low-temperature of 56.8°F (13.8°C) throughout August.Heat index
The heat index value for August is evaluated at a hot 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In August, the average relative humidity is 77%.Rainfall
In Petersburg, during August, the rain falls for 15.1 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Petersburg, there are 176.4 rainfall days, and 25.24" (641mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Petersburg is 13h and 38min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:45 am and sunset at 7:48 pm EDT.
Sunshine
June through August, with an average of 10.3h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, an average UV index of 5 transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Petersburg, WV
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in August: 56.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Petersburg, WV
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Petersburg, WV
- Average wind speed in August: 4.1mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in August
Petersburg, WV
- Average humidity in August: 77%
The months with the highest relative humidity are February, September, October and December (79%).
The months with the lowest relative humidity are April, June and July (75%).
Average rainfall in August
Petersburg, WV
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in August
Petersburg, WV
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in August
Petersburg, WV
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Petersburg, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Petersburg, WV
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 18min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in August
Petersburg, WV
- Average sunshine days in August: 13.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in August
Petersburg, WV
- 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
Petersburg, WV
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in August
Petersburg, WV
- Average visibility in August: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is September (4mi).
