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.
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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.
|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).
|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.
|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.
|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.
|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|
|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.
|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.
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.