August weather forecast
Salem, UT

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Weather in August

The last month of the summer, August, is another warm month in Salem, Utah, with an average temperature ranging between max 83.5°F (28.6°C) and min 54.9°F (12.7°C).

Temperature

The advent of August denotes an average high-temperature of a still moderately hot 83.5°F (28.6°C), subtly different from July's 85.5°F (29.7°C). A marked drop from daytime peak temperatures to an average low-temperature of 54.9°F (12.7°C) is observed during the nights in August in Salem.

Heat index

For August, the heat index is computed to be 82.4°F (28°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The average relative humidity in August is 40%.

Rainfall

The month with the least rainfall is August, when the rain falls for 6.6 days and typically collects 0.51" (13mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August in Salem is 13h and 42min.
On the first day of August, sunrise is at 6:25 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 7:59 pm MDT.

Sunshine

August has the most sunshine of the year, with an average of 11.9h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

In Salem, 83.5°F (28.6°C) is the average high-temperature and 54.9°F (12.7°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 82.4°F (28°C).

What is the average humidity in August?

The average relative humidity in August is 40%.

What is the driest month?

August is the month with the least rainfall. Rain falls for 6.6 days and accumulates 0.51" (13mm) of precipitation.

How much does it rain in August?

In Salem, during August, the rain falls for 6.6 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Salem have in August?

In August, the average day length is 13h and 42min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:25 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 7:59 pm MDT.

What month has the most sunshine?

With an average of 11.9h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

The average sunshine duration in August is 11.9h.

How high is the UV index in August?

The average daily maximum UV index in August is 5. A UV Index value 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
Salem, UT

Average temperature in August - Salem, UT
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in August: 54.9°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

Average pressure in August
Salem, UT

Average pressure in August - Salem, UT
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in August
Salem, UT

Average wind speed in August - Salem, UT
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).

Average humidity in August
Salem, UT

Average humidity in August - Salem, UT
  • Average humidity in August: 40%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (39%).

Average rainfall in August
Salem, UT

Average rainfall in August - Salem, UT
  • Average rainfall in August: 0.51"

The wettest months (with the highest rainfall) are January and December (1.46").
The driest month (with the least rainfall) is August (0.51").

Average rainfall days in August
Salem, UT

Average rainfall days in August - Salem, UT
  • Average rainfall days in August: 6.6 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is June (6 days).

Average snowfall in August
Salem, UT

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

The month with the highest snowfall is January (8.66").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Salem, UT

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

The month with the highest number of snowfall days is December (12.2 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, UT

Average daylight in August / Average sunshine in August - Salem, UT
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in August
Salem, UT

Average sunshine days in August - Salem, UT
  • Average sunshine days in August: 18.1 days

The month with the most sunshine days is June (21.3 days).
The month with the least sunshine days is February (10.9 days).

Average UV index in August
Salem, UT

Average UV index in August - Salem, UT
  • Average UV index in August: 5

The month with the highest UV index is 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
Salem, UT

Average cloud cover in August - Salem, UT
  • Average cloud cover in August: 10

The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in August
Salem, UT

Average visibility in August - Salem, UT
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Salem, Utah, USA

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