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Wyoming Weather Records

Weather averages and records for the U.S. state of Wyoming based on data made available by the NOAA.
Wyoming Statewide Averages
Average temperatures over the entire territory of the state, from 1991–2020.
Month High (°F) Low (°F)
January 32.4 11.1
February 34.9 12.5
March 44.8 20.6
April 52.4 27.0
May 62.0 36.0
June 73.2 44.1
July 82.1 50.9
August 80.3 49.0
September 70.3 40.4
October 55.7 29.5
November 41.8 19.2
December 32.2 11.3
Entire Year 55.3 29.4
Wyoming Cities
Yearly weather averages for various places in Wyoming, from 1991–2020.
City Average (°F) Record (°F) Yearly (inches)
High Low High Low Precipitation Snow
Casper 60.0 32.0 109 -41 12.2 71.3
Cheyenne 59.3 34.4 100 -34 15.4 63.4
Cody 59.0 35.5 105 -46 11.6 44.0
Deaver 60.3 30.6 106 -42 5.6 12.6
Gillette 58.9 33.7 110 -40 17.4 53.7
Jackson Hole 54.1 24.7 101 -52 17.3 n/a
Kemmerer 53.6 22.7 99 -39 9.1 48.2
Lander 58.7 32.6 101 -37 13.1 87.1
Laramie 55.2 27.9 94 -50 10.4 n/a
Lovell 58.6 31.7 111 -48 6.2 12.4
Newcastle 60.2 35.2 108 -37 16.4 38.8
Pinedale 52.3 22.0 94 -49 11.6 76.6
Rawlins 57.0 30.8 98 -36 8.9 n/a
Riverton 59.5 29.5 104 -46 9.5 43.2
Rock Springs 55.5 32.1 110 -37 7.5 n/a
Sheridan 59.8 31.6 107 -38 14.9 n/a
Sundance 57.4 33.1 105 -42 19.7 79.9
Thermopolis 63.5 33.9 107 -44 10.7 30.7
Wheatland 64.6 35.3 112 -39 13.9 39.9
Worland 60.8 31.1 109 -51 8.4 7.9
Yellowstone National Park 49.4 19.6 98 -49 25.0 196.4