August weather forecast
Calvin, WV

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Weather in August

The last month of the summer, August, is another warm month in Calvin, West Virginia, with an average temperature fluctuating between 58.5°F (14.7°C) and 80.6°F (27°C).

Temperature

The advent of August presents an average high-temperature of a still moderately hot 80.6°F (27°C), maintaining a close correlation with the preceding month. August's nights exhibit a sharp contrast from day highs, with an average temperature of 58.5°F (14.7°C).

Heat index

August's heat index is calculated to be a tropical 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

June through August and November, with an average relative humidity of 78%, are the least humid months.

Rainfall

In August, in Calvin, the rain falls for 15.1 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. In Calvin, during the entire year, the rain falls for 190.3 days and collects up to 36.93" (938mm) of precipitation.

Snowfall

June through September are months without snowfall in Calvin.

Daylight

In August, the average length of the day is 13h and 37min.
On the first day of the month, sunrise is at 6:25 am and sunset at 8:32 pm. On the last day of August, in Calvin, sunrise is at 6:52 am and sunset at 7:53 pm EDT.

Sunshine

With an average of 10.2h of sunshine, August has the most sunshine of the year.

UV index

In August, the average daily maximum UV index in Calvin is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 5 during August leads to these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Calvin in August?

The average high-temperature, in August, in Calvin, is 80.6°F (27°C), while the average low-temperature is 58.5°F (14.7°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the least humid month in Calvin?

June through August and November, with an average relative humidity of 78%, are the least humid months.

What is the average humidity in August in Calvin?

The average relative humidity in August in Calvin, West Virginia, is 78%.

How many days does it rain in August in Calvin?

In Calvin, West Virginia, in August, during 15.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow in Calvin?

In Calvin, West Virginia, snow does not fall in June through September.

How many hours of daylight does Calvin have in August?

In August, the average day length in Calvin is 13h and 37min.

What time are sunrise and sunset in August in Calvin?

In August, on the first day of the month, sunrise is at 6:25 am and sunset at 8:32 pm. On the last day of the month, in Calvin, West Virginia, sunrise is at 6:52 am and sunset at 7:53 pm EDT.

What month has the most sunshine in Calvin?

With an average of 10.2h of sunshine, August has the most sunshine of the year.

How many hours of sunshine does Calvin have in August?

In August, the average sunshine duration in Calvin is 10.2h.

What is the UV index reading in August in Calvin?

The average daily maximum UV index in August in Calvin, West Virginia, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Calvin, WV

Average temperature in August - Calvin, WV
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in August
Calvin, WV

Average pressure in August - Calvin, 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
Calvin, WV

Average wind speed in August - Calvin, WV
  • Average wind speed in August: 4.2mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in August
Calvin, WV

Average humidity in August - Calvin, WV
  • Average humidity in August: 78%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).

Average rainfall in August
Calvin, WV

Average rainfall in August - Calvin, WV
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in August
Calvin, WV

Average rainfall days in August - Calvin, WV
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).

Average snowfall in August
Calvin, WV

Average snowfall in August - Calvin, WV
  • Average snowfall in August: 0"

The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Calvin, WV

Average snowfall days in August - Calvin, WV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Calvin, WV

Average daylight in August / Average sunshine in August - Calvin, 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 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Calvin, WV

Average sunshine days in August - Calvin, WV
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).

Average UV index in August
Calvin, WV

Average UV index in August - Calvin, 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, November and December (UV index 2).

Average cloud cover in August
Calvin, WV

Average cloud cover in August - Calvin, WV
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in August
Calvin, WV

Average visibility in August - Calvin, WV
  • Average visibility in August: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Calvin, West Virginia, USA

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