Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Salt Lake City, Utah, United States in December

In an average December, Salt Lake City sees a daily high around 33°F and a low around 18°F, based on 1981–2026 of local climate records.

Average high33°F
Typical high range23°F to 44°F
Average low18°F
Typical low range5°F to 29°F
Average daily precipitation0.10 in

December records

The most extreme December on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total December accumulation.

High

Highest 56°F 2025-12-22
Lowest -6°F 1990-12-22

Low

Highest 41°F 2025-12-22
Lowest -26°F 1990-12-30

Feels-like

Highest 35°F 2025-12-23
Lowest -46°F 1990-12-30

Humidity

Highest 6.7 g/m³ 2012-12-01
Lowest 0.6 g/m³ 1990-12-22

Wind

Highest 26 mph 2025-12-17
Lowest 3 mph 2017-12-12

Precip

Wettest 6.37 in 2010
Driest 0.27 in 1986

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