Cottonwood Heights (UT) Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to chilly in Cottonwood Heights. On average, daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 3°C (37°F) in January.

Nighttime temperatures range from 17°C (63°F) in July to -6°C (21°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Cottonwood Heights has a moderate amount of precipitation, averaging 579 mm (23 in) of rain/snowfall annually. The seasons in Cottonwood Heights bring significant changes in precipitation. The wettest month, April, receives moderate rainfall, with an average of 87 mm (3.4 in) of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 19 mm (0.7 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Cottonwood Heights Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Cottonwood Heights, summer days are longer and more sunny, with daily sunshine hours peaking at 12.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.8 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is moderate throughout the year in Cottonwood Heights.

The city experiences its highest humidity in December, reaching 75%. In July, the humidity drops to its lowest level at 36%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year