August weather forecast
Salt Lake City, UT

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A stunning autumn panorama of the Salt Lake City landscape in Utah
A stunning autumn panorama of the Salt Lake City landscape in Utah

Weather in August

Hot summer weather persists in Salt Lake City, Utah throughout August. The temperatures drop slightly in September, marking a gentle transition into the autumn season. Even though the humidity rises slightly as compared to July, the heat index remains high, urging the residents to stay hydrated. Despite this, the clear blue summer skies and pleasant evenings often conclude with vibrant sunsets over the Great Salt Lake. It's an ideal time for summer outdoor festivals and other events.

Temperature

The arrival of August in Salt Lake City marks a slight shift to an average high-temperature of a still moderately hot 82.8°F (28.2°C) from July's 84.7°F (29.3°C). A noteworthy thermal contrast characterizes Salt Lake City's August nights, with temperatures averaging at a mild 60.3°F (15.7°C).

Humidity

In Salt Lake City, the average relative humidity in August is 38%.

Rainfall

The month with the least rainfall in Salt Lake City, Utah, is August, when the rain falls for 4.8 days and typically collects 0.2" (5mm) of precipitation.

Snowfall

In Salt Lake City, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of the month, sunrise is at 6:24 am and sunset at 8:42 pm. On the last day of August, in Salt Lake City, Utah, sunrise is at 6:54 am and sunset at 8:00 pm MDT.

Sunshine

The months with the most sunshine are July and August, with an average of 12h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in August translates into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

How hot is it in Salt Lake City in August?

The high-temperature during August is 82.8°F (28.2°C) and the low-temperature is 60.3°F (15.7°C).

What is the average humidity in August in Salt Lake City?

In Salt Lake City, the average relative humidity in August is 38%.

What is the driest month in Salt Lake City?

August is the month with the least rainfall in Salt Lake City. Rain falls for 4.8 days and accumulates 0.2" (5mm) of precipitation.

How many days does it rain in August in Salt Lake City?

In Salt Lake City, Utah, in August, it is raining for 4.8 days, with typically 0.2" (5mm) of accumulated precipitation.

When it does not snow in Salt Lake City?

In Salt Lake City, Utah, snow does not fall in May through September.

How many hours of daylight does Salt Lake City have in August?

In August, the average day length in Salt Lake City, Utah, is 13h and 44min.

What time are sunrise and sunset in August in Salt Lake City?

On the first day of August in Salt Lake City, Utah, sunrise is at 6:24 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:00 pm MDT.

What are the months with the most sunshine in Salt Lake City?

The months with the most sunshine in Salt Lake City, Utah, are July and August, with an average of 12h of sunshine.

How many hours of sunshine does Salt Lake City have in August?

The average sunshine duration in August is 12h.

What are the months with the highest UV index in Salt Lake City?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Salt Lake City.

What is the UV index intensity in August in Salt Lake City?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high 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
Salt Lake City, UT

Average temperature in August - Salt Lake City, UT
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in August: 60.3°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 (21°F).

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Average pressure in August
Salt Lake City, UT

Average pressure in August - Salt Lake City, UT
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in August
Salt Lake City, UT

Average wind speed in August - Salt Lake City, UT
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is January (5mph).

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Average humidity in August
Salt Lake City, UT

Average humidity in August - Salt Lake City, UT
  • Average humidity in August: 38%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in August
Salt Lake City, UT

Average rainfall in August - Salt Lake City, UT
  • Average rainfall in August: 0.2"

The wettest month (with the highest rainfall) is March (0.51").
The driest month (with the least rainfall) is August (0.2").

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Average rainfall days in August
Salt Lake City, UT

Average rainfall days in August - Salt Lake City, UT
  • Average rainfall days in August: 4.8 days

The month with the highest number of rainy days is April (8.9 days).
The month with the least rainy days is June (4 days).

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Average snowfall in August
Salt Lake City, UT

Average snowfall in August - Salt Lake City, UT
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Salt Lake City, UT

Average snowfall days in August - Salt Lake City, UT
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Salt Lake City, UT

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 12h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days in August
Salt Lake City, UT

Average sunshine days in August - Salt Lake City, UT
  • Average sunshine days in August: 22.5 days

The month with the most sunshine days is June (23.8 days).
The month with the least sunshine days is February (19 days).

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Average UV index in August
Salt Lake City, UT

Average UV index in August - Salt Lake City, UT
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Salt Lake City, UT

Average cloud cover in August - Salt Lake City, UT
  • Average cloud cover in August: 9

The months with the most cloud cover are January and February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in August
Salt Lake City, UT

Average visibility in August - Salt Lake City, UT
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Salt Lake City, Utah, USA

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