Casper, WY Climate in July

Temperature for July

In Casper, WY during July the average high temperature is 89.3°F. The hottest day on record was July 12, 1954 when the temperature hit 104.4°F.

Casper, WY daily average and extreme temperature range for July

Low Temperature

During July the overnight temperature drops to an average of 54.4°F, with the lowest temperature of 35.1°F being recorded on July 2, 1997. In July it has never frozen overnight.

Precipitation for July

In July the average monthly rainfall in Casper, WY is 1.36 inches with rain usually falling on between 10 and 11 days. 1941 was the driest July with only 0.00 inches of rain falling, and 2006 was the wettest July with 11.85 inches of rain. The wettest single day in July was 27 July 2006 when 4.73 inches of rain fell.

Tornados are reported on 0 and 1 days in July. There are thunderstorms on between 8 and 9 days in July.