Casper, in Wyoming, United States, is home to roughly 60,300 people in the Mountain Time Zone at 42.9°N latitude.
In 2025, Casper recorded an average annual temperature of 49°F. The hottest temperatures reached 98°F in August; the coolest were -22°F in January. Total precipitation for the year was 13 inches, with the wettest month being May. Snowfall for the year totaled approximately 12 inches.
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