Average Annual Temperatures in Wyoming





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

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

The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Northwest Wyoming

Average annual temperatures
High °F Low °F Place High °C Low °C
52 29 Alta 11 -2
58 36 Cody 15 2
52 24 Jackson 11 -4
53 24 Moose 12 -5
49 22 Moran 10 -6
45 22 Yellowstone Lake 7 -5
53 28 Yellowstone Park, Mammoth 12 -2
49 20 Yellowstone Park, Old Faithful 10 -7
50 19 Yellowstone Park, South Entrance 10 -7

Southwest Wyoming

Average temperatures for the year
High °F Low °F Place High °C Low °C
56 28 Evanston 13 -2
55 22 Fontenelle Reservoir Dam 13 -6
54 23 Fossil Butte Monument 12 -5
55 22 Kemmerer 13 -6
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 1
47 23 Burgess Junction 8 -5
59 32 Lander 15 0
58 30 Riverton 15 -1
51 21 South Pass City 11 -6
58 26 Ten Sleep 14 -3
63 34 Thermopolis 17 1
60 29 Worland 16 -2

Northeast Wyoming

Annual average temperature
High °F Low °F Place High °C Low °C
57 30 Buffalo 14 -1
59 30 Devils Tower 15 -1
59 35 Gillette 15 1
60 31 Sheridan 15 0
55 32 Sundance 13 0

Southeast Wyoming

Average annual temperatures
High °F Low °F Place High °C Low °C
60 32 Casper 15 0
54 28 Centennial 12 -2
59 35 Cheyenne 15 1
61 32 Douglas 16 0
55 31 Laramie 13 -1
58 32 Muddy Gap 15 0
56 30 Rawlins 13 -1
64 32 Torrington 18 0
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Wyoming Temperatures
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