Salt Lake City
Utah, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Salt Lake City, UT

A stunning autumn panorama of the Salt Lake City landscape in Utah
A stunning autumn panorama of the Salt Lake City landscape in Utah
August, the last month of the summer, in Salt Lake City, is also a hot month, with average temperature varying between 90.5°F (32.5°C) and 63.3°F (17.4°C).

Temperature

In Salt Lake City, Utah, the average high-temperature in August is relatively the same as in July - a still hot 90.5°F (32.5°C). The average low-temperature, in August, is 63.3°F (17.4°C).

Humidity

The average relative humidity in Salt Lake City is 38.5%.

Rainfall

In Salt Lake City, it is raining for 5.4 days, with typically 0.7" (17.5mm) of accumulated precipitation. In Salt Lake City, during the entire year, the rain falls for 95.6 days and collects up to 16.1" (408.9mm) of precipitation.

Snowfall

In Salt Lake City, during the entire year, snow aggregates up to 56.2" (1427.5mm).

Daylight

The average length of the day in August is 13.7h.

Sunshine

The average sunshine in August is 11.4h.

UV index

In Salt Lake City, the average daily maximum UV index in August is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from unsafe exposure to the UV radiation for ordinary individuals.
The average daily UV index of 9 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in August in Salt Lake City?

In August, the average high-temperature is 90.5°F (32.5°C), and the average low-temperature is 63.3°F (17.4°C).

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

In Salt Lake City, Utah, the average relative humidity in August is 38.5%.

How much does it rain in Salt Lake City in August?

In Salt Lake City, in August, it is raining for 5.4 days, with typically 0.7" (17.5mm) of accumulated precipitation.

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

In August, the average length of the day in Salt Lake City is 13.7h.

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

In August, the average sunshine in Salt Lake City is 11.4h.

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

The average daily maximum UV index in August is 9. A UV Index reading of 8 to 10 represents a very high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in August - Salt Lake City, UT
  • Average high temperature in August: 90.5°F

The warmest month (with the highest average high temperature) is July (92.6°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in August: 63.4°F

The month with the highest average low temperature is July (64.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average humidity in August - Salt Lake City, UT
  • Average humidity in August: 38.5%

The month with the highest relative humidity is December (74.3%).
The month with the lowest relative humidity is July (35.9%).

Average rainfall in August - Salt Lake City, UT
  • Average rainfall in August: 0.7"

Wettest months (with the highest rainfall) are April and May (2").
The driest month (with the lowest rainfall) is July (0.6").

Average rainfall days in August - Salt Lake City, UT
  • Average rainfall days in August: 5.4 days

The month with the highest number of rainy days is January (10.1 days).
The month with the lowest number of rainy days is July (4.4 days).

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

The month with the highest snowfall is December (13.2").
Months with the lowest snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is January (8.5 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Salt Lake City, UT
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 11.4h

The month with most sunshine is July (Average sunshine: 12.3h).
The month with least sunshine is December (Average sunshine: 3.6h).

Average UV index in August - Salt Lake City, UT
  • Average UV index in August: 9

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January, November and December (UV index 2).