Salt Lake City Weather in July

July is the height of summer weather for Salt Lake City, Utah. This is the city's sunniest, driest and hottest month. Although some days can soar over 100 °F (over 38 °C), extremely low humidity moderates the heat.

This page gives detailed information on the typical July weather 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.

Temperature Weather iconTemperature

93 °F July average high 34 °C
65 °F July average low 18 °C

In most years, Salt Lake City averages a daily maximum temperature for July that's between 89 and 96 degrees Fahrenheit (32 to 36 degrees Celsius). The minimum temperature usually falls between 62 and 68 °F (17 to 20 °C).

July is Salt Lake City's hottest month overall, with temperatures peaking on the 26th to 28th. These dates have daily highs averaging 93.9 °F (34.4 °C) and lows of 66.2 °F (19.0 °C).

22 days 90 °F max. or more (32 °C)
25 days 70 °F min. or less (21 °C)

Nearly every day in July warms to over 80 °F (27 °C) in Salt Lake City. The city averages 3 days this month when the thermometer reaches into the 100s °F (over 38 °C).

The thermometer dips to 60 °F (16 °C) or below on an average of 6 nights in July. Temperatures as low as 50 °F (10 °C) only occur every few years.

Rainy Weather iconRain

0.6 in total precipitation 15 mm
4 days of rain

July is the driest month for Salt Lake City. Half the time, the city receives 0.3 to 0.9 inches (7 to 22 mm) of rainfall in July. One in four years has drier weather, while another one in four is wetter.

Sunny Weather iconSun

83 % sunshine
17 days clear skies

The sun's rays reach the ground in Salt Lake City during 83 percent of daylight hours on average in July, for a total of 379 hours in the month. Typically on 17 days this month the sky is mainly clear, with at most 30 percent cloud cover. July is the sunniest time of the year for Salt Lake City.

Sunlight in July at Salt Lake City lasts for 14 hours and 44 minutes a day on average. The longest day of the month is the 1st with 15 hours and 3 minutes of daylight. By the end of the month, the days have shortened to 14:20 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

36 % July average humidity

The relative humidity in Salt Lake City is lowest during July. It usually peaks at 52 percent in the morning then drops to 22 percent in the afternoon.

Local Time2 am5 am8 am11 am2 pm5 pm8 pm11 pm
Humidity % 48 52 39 27 22 22 34 43

Windy Weather iconWind

9.5 mph July wind speed average 15.3 kph

July is windier than most other months in Salt Lake City.

Stormy Weather iconStorms

0 days rainfall of 0.5 inches (13 mm) or more
7 days with thunderstorms in July

While thunderstorms are relatively frequent at Salt Lake City in July, heavy rainstorms are not. Storms that produce half an inch or more of rain in one day do happen in July, but not most years.


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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