August weather forecast
Salem, WV

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Weather in August

August, the last month of the summer in Salem, is another warm month, with an average temperature varying between 82.6°F (28.1°C) and 59.9°F (15.5°C).

Temperature

August brings an average high-temperature of a still warm 82.6°F (28.1°C), showing a slight difference from July's 83.8°F (28.8°C). Nightly readings in August display a noticeable downturn from daily highs, with the average low-temperature registering a refreshing 59.9°F (15.5°C).

Heat index

August's heat index is appraised at a hot 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Consider that heat index readings are for situations in the shade and light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The months with the lowest humidity are June, August and November, with an average relative humidity of 77%.

Rainfall

In August, the rain falls for 16.8 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. In Salem, during the entire year, the rain falls for 186.8 days and collects up to 38.7" (983mm) of precipitation.

Snowfall

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

Daylight

In Salem, the average length of the day in August is 13h and 40min.
On the first day of August, sunrise is at 6:23 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:54 pm EDT.

Sunshine

The month with the most sunshine in Salem is August, with an average of 10h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The average high-temperature and low-temperature during August are 82.6°F (28.1°C) and 59.9°F (15.5°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 89.6°F (32°C).

What are the least humid months?

The months with the lowest humidity in Salem are June, August and November, with an average relative humidity of 77%.

What is the average humidity in August?

In August, the average relative humidity is 77%.

How many days does it rain in August?

In August, the rain falls for 16.8 days. Throughout August, 2.6" (66mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in August in Salem?

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

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:23 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:54 pm EDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10h of sunshine.

How many hours of sunshine does Salem have in August?

In Salem, the average sunshine duration in August is 10h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Salem, WV

Average temperature in August - Salem, WV
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in August: 59.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in August
Salem, WV

Average pressure in August - Salem, WV
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in August
Salem, WV

Average wind speed in August - Salem, WV
  • Average wind speed in August: 4mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in August
Salem, WV

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

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).

Average rainfall in August
Salem, WV

Average rainfall in August - Salem, WV
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in August
Salem, WV

Average rainfall days in August - Salem, WV
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in August
Salem, WV

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

The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Salem, WV

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

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in August
Salem, WV

Average sunshine days in August - Salem, WV
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is January (7.4 days).

Average UV index in August
Salem, WV

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

Average cloud cover in August
Salem, WV

Average cloud cover in August - Salem, WV
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
Salem, WV

Average visibility in August - Salem, 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).

Salem, West Virginia, USA

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