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 weather averages for Salt Lake City.

You can jump directly to data and descriptions for:

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 Weather iconTemperature

64 °F annual average high 18 °C
42 °F annual average low 5 °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 22 °F (-6 °C).

The year's hottest days are normally in late July. The average temperature peaks then with daily highs of 94 °F (34 °C) and nighttime lows of 66 °F (19 °C).

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

Salt Lake City averages 52 days a year when the thermometer reaches into the 90s °F (over 32 °C). Days of 100 °F (38 °C) normally occur 5 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).

Rainy Weather iconPrecipitation

16.1 in total precipitation 409 mm
96 days of rain or snowfall

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

Snowy Weather iconSnow

56.2 in total snowfall 142.7 cm
35 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 15 days annually.

Sunny Weather iconSun

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.

Humid Weather iconHumidity

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 Time2 am5 am8 am11 am2 pm5 pm8 pm11 pm
Humidity % 65 67 61 47 41 43 57 62

Windy Weather iconWind

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.

Stormy Weather iconStorms

7 days precipitation of 0.5 inches (13 mm) or more
6 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.

Reference

These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity and thunderstorm statistics are 1961-1990 normals.

Salt Lake City Weather
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