August weather forecast
Grangeville, WV

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Weather in August

August, the last month of the summer in Grangeville, is another warm month, with an average temperature varying between 59.2°F (15.1°C) and 82°F (27.8°C).

Temperature

The onset of August manifests an average high-temperature of a still warm 82°F (27.8°C), demonstrating a minor variation from the preceding month. Grangeville reports a considerable drop from daytime temperatures in August, recording an average nighttime figure of 59.2°F (15.1°C).

Heat index

The heat index value during August is calculated to be a hot 87.8°F (31°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

August is the least humid month, with an average relative humidity of 77%.

Rainfall

In Grangeville, in August, during 18.2 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 188.6 rainfall days, and 39.17" (995mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:22 am and sunset at 8:33 pm. On the last day of August, in Grangeville, sunrise is at 6:49 am and sunset at 7:53 pm EDT.

Sunshine

With an average of 9.9h of sunshine, August has the most sunshine of the year.

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 average individuals.
Note: The average daily UV index of 5 in August transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

During August, Grangeville experiences an average high-temperature of 82°F (27.8°C) and a low-temperature of 59.2°F (15.1°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is calculated to be 87.8°F (31°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 77%.

What is the average humidity in August?

In Grangeville, the average relative humidity in August is 77%.

How many days does it rain in August?

In Grangeville, in August, it is raining for 18.2 days, with typically 2.83" (72mm) of accumulated precipitation.

When it does not snow?

In Grangeville, snow does not fall in June through September.

What is the average length of the day in August?

The average day length in August is 13h and 40min.

When are sunrise and sunset in August in Grangeville?

In August, on the first day of the month, sunrise is at 6:22 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:53 pm EDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 9.9h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 9.9h.

What is the UV index reading in August?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Grangeville, WV

Average temperature in August - Grangeville, WV
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in August: 59.2°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in August
Grangeville, WV

Average pressure in August - Grangeville, 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 (29.96"Hg).

Average wind speed in August
Grangeville, WV

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

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in August
Grangeville, WV

Average humidity in August - Grangeville, WV
  • Average humidity in August: 77%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

Average rainfall in August
Grangeville, WV

Average rainfall in August - Grangeville, WV
  • Average rainfall in August: 2.83"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in August
Grangeville, WV

Average rainfall days in August - Grangeville, WV
  • Average rainfall days in August: 18.2 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).

Average snowfall in August
Grangeville, WV

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

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Grangeville, WV

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

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Grangeville, 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: 9h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in August
Grangeville, WV

Average sunshine days in August - Grangeville, WV
  • Average sunshine days in August: 11 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).

Average UV index in August
Grangeville, WV

Average UV index in August - Grangeville, WV
  • Average UV index in August: 5

The months with the highest UV index are May 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
Grangeville, WV

Average cloud cover in August - Grangeville, WV
  • Average cloud cover in August: 37

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in August
Grangeville, WV

Average visibility in August - Grangeville, 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).

Grangeville, West Virginia, USA

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