Weather Comparison: Casper and Rock Springs

This page compares weather averages and records between the cities of Casper, Wyoming and Rock Springs, Wyoming.
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Records and Averages Comparison

Casper Rock Springs
☀️ Record high 109 °F 110 °F
🌙 Record low -42 °F -37 °F
💧 Most daily precipitation 3.5 inches 3.5 inches
💧 Most monthly precipitation 6.5 inches 5.5 inches
💧 Most yearly precipitation 21.2 inches 14.5 inches
💧 Average yearly precipitation 12.2 inches 7.5 inches
❄️ Most daily snow 26.7 inches n/a
❄️ Most monthly snow 62.8 inches n/a
❄️ Most yearly snow 137.6 inches n/a
❄️ Average yearly snow 71.2 inches n/a
Maximum Difference Between High Temperatures
This table shows the times in history when the daily high temperature in Casper was warmest relative to Rock Springs, and vice versa.
Date Casper Rock Springs
January 20, 1992 42 °F 9 °F
February 01, 1989 -2 °F 43 °F