Salt Lake City Weather in October

October usually brings the first frosty weather to Salt Lake City, Utah and in some years it even snows. Most days though, enjoy moderate temperatures and plenty of sunshine.

This page gives detailed information on the typical October temperature, precipitation, sun, humidity, wind and storms 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 Weather iconTemperature

66 °F October average high 19 °C
44 °F October average low 6 °C
22 days 60 °F max. or more (16 °C)
13 days 40 °F min. or less (4 °C)

Nearly every October day warms to over 50 degrees Fahrenheit (10 degrees Celsius) in Salt Lake City. The city averages 3 days this month when the thermometer reaches into the 80s °F (over 27 °C). Temperatures above 90 °F (32 °C) are not expected here during October.

The thermometer dips to freezing or below on an average of 3 nights during October, bringing the first frosts of autumn. But it seldom gets as cold as 20 °F (-8 °C) this time of year.

Rainy Weather iconPrecipitation

1.3 in total precipitation 32 mm
7 days of rain or snowfall

Half the time, Salt Lake City receives 0.6 to 1.9 inches (16 to 48 mm) of precipitation in October. One in four years has drier weather, while another one in four is wetter. Every three or four years, some snow arrives during October.

Sunny Weather iconSun

72 % sunshine
14 days clear skies

The sun's rays reach the ground in Salt Lake City during 72 percent of daylight hours on average in October, for a total of 248 hours in the month. Typically on 14 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in October at Salt Lake City lasts for 11 hours and 5 minutes a day on average. The longest day of the month is the 1st with 11 hours and 45 minutes of daylight. By the end of the month, the days have shortened to 10:27 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

56 % October average humidity

The relative humidity in Salt Lake City during October usually peaks at 68 percent in the morning then drops to 37 percent in the afternoon.

Local Time2 am5 am8 am11 am2 pm5 pm8 pm11 pm
Humidity % 66 68 64 43 37 41 61 66

Windy Weather iconWind

8.5 mph October wind speed average 13.7 kph

October is a little less windy than most other months in Salt Lake City.

Stormy Weather iconStorms

1 day rainfall of 0.5 inches (13 mm) or more
2 days with thunderstorms in October

Heavy rainstorms occur most but not every year during October in Salt Lake City.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

Salt Lake City Weather
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