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's onset brings an average high-temperature of a still warm 82.9°F (28.3°C), showing a minute difference from July's 85.5°F (29.7°C). A sharp contrast between day and night is prevalent in August with an average nighttime temperature of 60.4°F (15.8°C).Heat index
August's heat index is appraised at a hot 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In August, the average relative humidity is 76%.Rainfall
In Sir Johns Run, in August, it is raining for 15.8 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 158.9 rainfall days, and 26.1" (663mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 41min.On the first day of August, sunrise is at 6:13 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:45 pm EDT.
Sunshine
The average sunshine in August is 10.4h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in August transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Sir Johns Run have in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Sir Johns Run have in August?
What is the UV index reading in August?
Average temperature in August
Sir Johns Run, WV
- Average high temperature in August: 82.9°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 (36°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in August
Sir Johns Run, WV
- 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
Sir Johns Run, WV
- Average wind speed in August: 4.1mph
The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in August
Sir Johns Run, WV
- Average humidity in August: 76%
The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in August
Sir Johns Run, WV
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in August
Sir Johns Run, WV
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in August
Sir Johns Run, WV
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Sir Johns Run, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Sir Johns Run, WV
- Average daylight in August: 13h and 4min
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 24min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in August
Sir Johns Run, WV
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in August
Sir Johns Run, WV
- Average UV index in August: 5
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Sir Johns Run, WV
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Sir Johns Run, WV
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, June, July and November (6mi).
The months with the lowest visibility are January, May, August, September, October and December (5mi).
Sir Johns Run, West Virginia, USA
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