Average Temperatures in Wyoming

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

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

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

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

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