Average Annual Temperatures in Wyoming

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Average annual temperatures for cities, towns, parks and lakes throughout Wyoming are listed below in degrees Fahrenheit and Celsius.

The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1981 to 2010.

You can jump to a separate table for each region of the state: Northwest, Southwest, North - Central, Northeast and Southeast Wyoming.

Northwest Wyoming

Average annual temperatures
High °F Low °F Place High °C Low °C
51 29 Alta 11 -2
59 35 Cody 15  2
55 24 Jackson 13 -4
53 23 Moose 12 -5
51 22 Moran 11 -6
46 21 Yellowstone Lake   8 -6
52 29 Yellowstone Park, Mammoth 11 -2
49 19 Yellowstone Park, Old Faithful 10 -7

Southwest Wyoming

Average temperatures for the year
High °F Low °F Place High °C Low °C
55 28 Evanston 13 -2
54 24 Fontenelle Reservoir Dam 12 -5
55 23 Fossil Butte Monument 13 -5
52 22 Kemmerer 11 -5
55 32 Rock Springs 13  0

North - Central Wyoming

Average yearly temperatures
High °F Low °F Place High °C Low °C
60 33 Boysen Reservoir Dam 15  0
46 22 Burgess Junction 8 -6
58 32 Lander 14  0
59 30 Riverton 15 -1
51 23 South Pass City 10 -5
58 27 Ten Sleep 15 -3
66 34 Thermopolis 19  1
60 30 Worland 15 -1

Northeast Wyoming

Annual average temperature
High °F Low °F Place High °C Low °C
58 33 Buffalo 14  1
59 29 Devils Tower 15 -2
59 33 Gillette 15  1
60 31 Sheridan 15 -1
59 33 Sundance 15  0

Southeast Wyoming

Average annual temperatures
High °F Low °F Place High °C Low °C
59 31 Casper 15  0
54 27 Centennial 12 -3
59 34 Cheyenne 15  1
60 31 Douglas 16 -1
55 28 Laramie 13 -3
58 33 Muddy Gap 14  0
56 30 Rawlins 13 -1
64 32 Torrington 18  0
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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