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
August brings an average high-temperature of a still moderately hot 84°F (28.9°C), showing a slight difference from July's 85.5°F (29.7°C). With the onset of night in August, Foster reveals a significant decrease in temperature, averaging at an enjoyable 61°F (16.1°C).Heat index
For most parts of August, the heat index is appraised at a hot 93.2°F (34°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The months with the lowest humidity in Foster are June through August and November, with an average relative humidity of 76%.Rainfall
In Foster, in August, it is raining for 15.8 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 183.9 rainfall days, and 35.35" (898mm) of precipitation is accumulated.Snowfall
In Foster, snow does not fall in May through September.Daylight
In Foster, the average length of the day in August is 13h and 35min.On the first day of the month, sunrise is at 6:30 am and sunset at 8:36 pm. On the last day of August, in Foster, sunrise is at 6:56 am and sunset at 7:57 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.1h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Foster. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 6 in August transforms into this advice:
Guard against overexposure. Protection from sun-induced harm is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Foster during August?
What is the least humid month in Foster?
What is the average humidity in August in Foster?
How many days does it rain in August in Foster?
When it does not snow in Foster?
How many hours of daylight does Foster have in August?
When is the sunrise / sunset in August in Foster?
What month has the most sunshine in Foster?
How many hours of sunshine does Foster have in August?
When is the highest UV index in Foster?
What is the UV index intensity in August in Foster?
Average temperature in August
Foster, WV
- Average high temperature in August: 84°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in August: 61°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in August
Foster, WV
- Average pressure in August: 30.02"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Foster, WV
- Average wind speed in August: 4mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in August
Foster, WV
- Average humidity in August: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall in August
Foster, WV
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in August
Foster, WV
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in August
Foster, WV
- Average snowfall in August: 0"
The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Foster, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Foster, WV
- Average daylight in August: 13h and 4min
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 36min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Foster, WV
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in August
Foster, WV
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Foster, WV
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Foster, 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).
Foster, West Virginia, USA
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