Temperatures seldom fall belowĠ ☏ (−17.8 ☌) Salt Lake City has experienced sub-zero temperatures during only 4 storm cycles in the last 10 years.
The frigidly cold air that does affect the city must come directly from the north or north-northwest from western Canada through fewer and lower intervening mountains. The Rocky Mountains to the east and northeast of the state block most cold waves from polar highs positioned in the Great Plains from reaching the city. Winter temperatures are not as extreme as might be expected, given the elevation 4,300 feet (1,310 m) and latitude (40☄5'N) of the city. Graphs are temporarily unavailable due to technical issues. Source 1: NOAA (relative humidity and sun 1961–1990) Temperature inversions during winter can lead to thick overnight fog and daytime haze in the valley as cool air, moisture, and pollutants are trapped in the valley by surrounding mountains.Ĭlimate data for Salt Lake City International Airport (1991–2020 normals, extremes 1874–present) Temperatures rarely fall below 0 ☏ (−18 ☌), but frequently stay below freezing. The Rocky Mountains to the east and north usually block powerful polar highs from affecting the state during the winter. Summers are hot, frequently reaching above 100 ☏ (38 ☌), while winters are cold and snowy. The only source of precipitation in the summer is monsoon moisture moving north from the Gulf of California. Snow falls frequently during the winter, contributed largely by the lake-effect from the Great Salt Lake. The Pacific Ocean is the primary influence on the weather, contributing storms from about October to May, with spring being the wettest season. The city has four distinct seasons: a cold, snowy winter a hot, dry summer and two relatively wet transition periods. Under the Köppen climate classification, Salt Lake City has either a Mediterranean climate ( Csa) or dry-summer continental climate ( Dsa) depending on which variant of the system is used, though it borders on a cold semi-arid climate ( BSk) due to the city's relatively low precipitation. Lying in the Salt Lake Valley, the city is surrounded by mountains and the Great Salt Lake. The climate of Salt Lake City, Utah features cold and snowy winters, hot and dry summers, and modest to light seasonal rainfall. NOTE: LAMP data beyond the time of the TAF data is denoted as LAMP in Type and colored magenta.█ Average max.
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