Salt Lake City Weather Averages

Salt Lake City in Utah has a dry climate that gets hot in summer then turns cold and snowy during winter.

This page gives detailed information on the annual temperature, precipitation, sun, humidity, wind and storm averages for Salt Lake City. The numbers here are historical averages based on climate data gathered at the Salt Lake City International Airport, located a few miles northwest of the city's center.

Temperature

65 °F	annual average high	18 °C
44 °F	annual average low	7 °C

Salt Lake City's coldest days of the year usually occur in late December when the daily maximum temperature averages 37 degrees Fahrenheit (3 degrees Celsius) and the minimum averages 24 °F (-4 °C).

The year's hottest days are normally in late July. The average temperature peaks then with daily highs of 96 °F (36 °C) and nighttime lows of 70 °F (21 °C).

154 days	70 °F max. or more (21 °C)
112 days	32 °F min. or less (0 °C)

Salt Lake City averages 62 days a year when the thermometer reaches into the 90s °F (over 32 °C). Days of 100 °F (38 °C) normally occur 8 times a year. Typically on 21 days annually the temperature remains below freezing for the entire day.

The thermometer dips to 10 °F (-12 °C) or below on an average of 8 nights a year. But on only one of those nights does Salt Lake City get as cold as 0 °F (-18 °C).

Precipitation

15.5 in	total precipitation	394 mm
92 days	of rain or snowfall

April is usually the wettest month of the year in Salt Lake City, while July and August are the driest.

Snow

51.9 in	total snowfall	132 cm
31 days	with new snow

Most years, it snows in Salt Lake City from November to April. The snowpack accumulates to at least 5 inches (13 cm) deep on an average of 9 days annually.

Sun

66 %	sunshine
125 days	clear skies

The sun's rays reach the ground in Salt Lake City during 66 percent of daylight hours on average year round, for a total of 2490 hours annually. Typically on 125 days a year the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in Salt Lake City averages 12 hours and 12 minutes a day. The shortest days of the year in mid December have 9 hours and 15 minutes of daylight. The year's longest days in mid June last 15:06 from sunrise to sunset.

Humidity

55 %	average humidity

The annual average for relative humidity in Salt Lake City ranges throughout the day from 67 percent at 5:00 am to 41 percent at 2:00 pm.

Local Time	2 am	5 am	8 am	11 am	2 pm	5 pm	8 pm	11 pm
Humidity %	65	67	61	47	41	43	57	62

Wind

8.8 mph

wind speed average

14.2 kph

August is usually the windiest month for Salt Lake City, and the wind is calmest during January.

Storms

7 days	precipitation of 0.5 inches (13 mm) or more
5 days	snowfall of 3 inches (8 cm) or more
39 days	with thunderstorms a year

Salt Lake City averages one day annually when it rains an inch (25 mm) or more in one day. Blizzards that leave 5 to 10 inches (13 to 25 cm) of snow occur on average twice a year.

Thunderstorms usually appear over Salt Lake City from March to October, although they can happen in any month.