August weather forecastPortersville, WV
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Portersville, West Virginia, with an average temperature varying between 85.6°F (29.8°C) and 62.4°F (16.9°C).Temperature
Portersville records an average high-temperature of a warm 85.6°F (29.8°C) in August, closely mirroring the climate of the previous month. In Portersville, the August nights descend to a significantly cooler average of 62.4°F (16.9°C) compared to daytime highs.Heat index
Throughout August, the heat index is evaluated at a sweltering 96.8°F (36°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
With an average relative humidity of 74%, August is the least humid month.Rainfall
In Portersville, in August, it is raining for 15.5 days, with typically 2.28" (58mm) of accumulated precipitation. In Portersville, during the entire year, the rain falls for 176 days and collects up to 33.15" (842mm) of precipitation.Snowfall
In Portersville, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 37min.On the first day of August, sunrise is at 6:31 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 7:59 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.4h of sunshine.UV index
The months with the highest UV index in Portersville, West Virginia, are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in August leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Portersville, WV
- Average high temperature in August: 85.6°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in August: 62.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in August
Portersville, WV
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in August
Portersville, WV
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Portersville, WV
- Average humidity in August: 74%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in August
Portersville, WV
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in August
Portersville, WV
- Average rainfall days in August: 15.5 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in August
Portersville, WV
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Portersville, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portersville, WV
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Portersville, WV
- Average sunshine days in August: 13.5 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in August
Portersville, WV
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Portersville, WV
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Portersville, WV
- 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).
