Average 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

Average Annual Temperatures in Wyoming

Northwest Wyoming

Southwest Wyoming

North - Central Wyoming

Northeast Wyoming

Southeast Wyoming

Reference

More Wyoming Weather Information