Average Temperatures for Wyoming in August





Average temperatures for August at 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 temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Northwest Wyoming

Average August temperatures
High °F Low °F Place High °C Low °C
78 47 Alta 26 8
82 56 Cody 28 13
78 40 Jackson 26 4
81 42 Moose 27 5
76 40 Moran 24 5
71 42 Yellowstone Lake 22 5
80 47 Yellowstone Park, Mammoth 27 8
75 37 Yellowstone Park, Old Faithful 24 3
76 35 Yellowstone Park, South Entrance 25 2

Southwest Wyoming

Average daily temperatures in August
High °F Low °F Place High °C Low °C
80 47 Evanston 26 8
82 43 Fontenelle Reservoir Dam 28 6
82 41 Fossil Butte Monument 28 5
81 41 Kemmerer 27 5
82 53 Rock Springs 28 12

North - Central Wyoming

August temperatures: daily averages
High °F Low °F Place High °C Low °C
89 57 Boysen Reservoir Dam 31 14
70 41 Burgess Junction 21 5
86 54 Lander 30 12
86 52 Riverton 30 11
77 38 South Pass City 25 4
84 48 Ten Sleep 29 9
90 55 Thermopolis 32 13
88 52 Worland 31 11

Northeast Wyoming

Average August temperatures
High °F Low °F Place High °C Low °C
82 51 Buffalo 28 10
85 52 Devils Tower 29 11
85 56 Gillette 30 13
87 52 Sheridan 30 11
81 54 Sundance 27 12

Southeast Wyoming

Average August temperatures
High °F Low °F Place High °C Low °C
87 51 Casper 30 11
75 46 Centennial 24 8
82 54 Cheyenne 28 12
86 53 Douglas 30 11
79 50 Laramie 26 10
85 53 Muddy Gap 29 11
83 49 Rawlins 28 10
88 54 Torrington 31 12
Reference

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

Wyoming Temperatures
Back to Top