Climate - Weather

Wyoming features a climate as unique as its locations. With high elevations and a picturesque winter season, snow is readily available for those late or early season commercials. Summers are dry and mild here, rarely reaching the 90s outside our desert regions. Click on a city on the map to read about average precipitation, temperature and sky conditions from the National Weather Service.

  Casper

	Average Temperature (degrees F.)		Average Precipitation (inches)		AverageSky Conditions (days)
	High	Low	Total	Snow	Clear	PCloudy	Cloudy
January	33	12	0.53	10.7	7	8	16
February	38	16	0.59	10.5	6	8	14
March	45	22	0.93	13.4	6	9	16
April	56	29	1.45	12.6	6	9	16
May	66	39	2.14	4.1	6	10	15
June	79	48	1.40	0.2	10	11	9
July	87	54	1.15	0.0	14	11	6
August	86	53	0.63	0.0	13	11	7
September	74	43	0.90	1.3	13	9	8
October	61	33	0.98	6.2	11	8	12
November	44	22	0.76	10.8	7	8	14
December	35	15	0.58	10.6	8	8	14

  Cheyenne

	Average Temperature (degrees F.)		Average Precipitation (inches)		AverageSky Conditions (days)
	High	Low	Total	Snow	Clear	PCloudy	Cloudy
January	37	15	0.45	6.1	9	10	13
February	40	17	0.55	7.4	7	9	12
March	44	22	1.06	11.4	7	10	14
April	54	30	1.71	10.2	6	10	14
May	64	39	2.47	3.2	5	12	14
June	74	48	2.05	0.2	8	12	9
July	82	54	2.00	0.0	10	15	6
August	80	53	1.63	0.0	10	13	8
September	71	44	1.25	0.7	13	9	8
October	60	34	0.91	3.8	13	9	9
November	46	24	0.63	7.2	10	9	11
December	40	18	0.45	6.4	10	9	13

  Cody

	Average Temperature (degrees F.)		Average Precipitation (inches)
	High	Low	Total	Snow
January	36	12	0.31	6.0
February	40	16	0.28	4.8
March	47	22	0.52	6.5
April	57	31	1.05	5.2
May	66	40	1.62	0.7
June	76	48	1.61	0.0
July	85	54	1.04	0.0
August	83	52	0.76	0.0
September	72	43	1.05	0.4
October	61	34	0.74	4.0
November	46	23	0.49	6.1
December	38	15	0.31	5.8

  Jackson

	Average Temperature (degrees F.)		Average Precipitation (inches)
	High	Low	Total	Snow
January	27	4	1.45	19.7
February	32	8	1.03	12.0
March	41	16	1.13	9.3
April	52	24	1.11	4.1
May	63	31	1.88	0.8
June	72	37	1.61	0.1
July	82	40	1.01	0.0
August	80	38	1.13	0.0
September	71	31	1.26	0.10.4
October	58	23	1.12	0.9
November	39	16	1.43	9.7
December	28	6	1.63	18.0

  Riverton

	Average Temperature (degrees F.)		Average Precipitation (inches)		AverageSky Conditions (days)
	High	Low	Total	Snow	Clear	PCloudy	Cloudy
January	29	0	0	3.7	8	10	13
February	37	7	0	4.1	7	10	12
March	48	18	0	5.2	7	10	14
April	59	29	1	5.5	6	10	14
May	69	38	2	0.9	6	11	14
June	80	46	1	0.2	10	11	9
July	87	51	1	0.0	14	12	6
August	87	49	0	0.0	13	12	6
September	75	40	1	0.5	14	9	8
October	62	28	1	3.3	12	9	10
November	43	14	0	5.3	8	10	13
December	32	3	0	4.4	10	10	12

  Rock Springs

	Average Temperature (degrees F.)		Average Precipitation (inches)
	High	Low	Total	Snow
January	29	11	0.56	7.1
February	34	14	0.52	5.8
March	41	21	0.69	7.0
April	53	29	0.95	6.0
May	64	37	1.23	2.1
June	75	46	0.87	0.1
July	83	53	0.75	0.0
August	81	51	0.59	0.0
September	71	42	0.76	0.7
October	57	32	0.81	4.0
November	40	20	0.62	6.1
December	31	13	0.55	6.2

  Sheridan

	Average Temperature (degrees F.)		Average Precipitation (inches)		AverageSky Conditions (days)
	High	Low	Total	Snow	Clear	PCloudy	Cloudy
January	33	7	1	11.2	6	8	17
February	38	14	1	11.1	5	8	15
March	46	21	2	12.9	5	10	17
April	57	31	2	11.1	5	10	16
May	67	40	2	1.9	6	11	15
June	77	48	2	0.2	8	12	11
July	86	54	1	0.0	13	12	6
August	85	53	1	0.0	14	11	7
September	74	42	1	0.4	12	9	9
October	61	32	1	4.8	10	9	13
November	45	20	1	8.9	6	8	16
December	36	12	1	11.1	7	8	17