West Valley City (UT) Weather & Climate: Best Time to Visit

In West Valley City, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 34°C (93°F) in July to a chilly 3°C (37°F) in January.

Nighttime temperatures range from 19°C (66°F) in July to -6°C (21°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

West Valley City typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 429 mm (17 in). The seasons in West Valley City bring significant changes in precipitation. The wettest month, April, receives moderate rainfall, with an average of 59 mm (2.3 in) of precipitation. This rainfall is distributed across 9 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 West Valley City Precipitation page.

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

The average number of days each month with precipitation

In West Valley City, 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 West Valley City.

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