Casper, WY: January

31 January 2026: January 2026 averaged 30.4°F in Casper, WY, the warmest January since 2006, 7th warmest of 87.

January 2026

Mean temperature: 30.4°F; Warmest since 2006; 7th warmest of 87
Precipitation: 0.19 in; Driest since 2010; 12th driest of 87

A normal January in Casper, WY (1991 to 2020): a mean temperature of 26.1°F, between 20.8°F and 28.2°F in eight years of ten and 0.51 in of precipitation, between 0.10 in and 0.85 in in eight years of ten.

The mean temperature of every January in Casper, WY since 1940: 30.4°F in 2026; the highest is 32.7°F, in 1953.

Normal range, 20.8 to 28.2°F

Every year, ranked, as a table

Every January in Casper, WY from 1940 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	30.4	7	41.4	4	19.4	6	0.19	75	0
2025	18.2	77	28.9	73	7.5	77	0.48	43	0
2024	22.3	55	34	45	10.7	65	0.36	60	0
2023	20.9	65	27.4	81	14.3	43	1.99	1	0
2022	26.7	28	37.3	26	16.1	31	0.90	10	0
2021	25.4	38	34.9	39	15.9	33	0.48	43	0
2020	27.6	19	37.1	27	18.1	16	0.48	43	0
2019	26.8	27	35.5	36	18.1	16	0.28	68	0
2018	27.6	19	37.5	24	17.8	22	0.68	25	0
2017	20.6	67	29.5	72	11.7	60	0.54	34	0
2016	25.7	36	33	50	18.4	12	0.99	7	0
2015	26.6	30	37.5	24	15.8	34	0.52	38	0
2014	24	43	33.7	47	14.2	45	0.74	19	0
2013	25.2	40	35.8	33	14.5	41	0.27	70	0
2012	28	15	37.8	19	18.2	15	0.67	26	0
2011	24.4	42	33.4	49	14.7	40	0.44	51	2
2010	26.4	32	36.1	30	16.8	27	0.09	82	0
2009	25.8	34	35.9	32	15.6	36	1.08	6	0
2008	20.5	68	30.7	66	10.3	70	0.30	66	0
2007	19.1	74	27.6	79	10.6	66	0.52	38	0
2006	30.9	6	40.1	7	21.7	3	0.73	20	0
2005	28.1	14	39.3	11	17	26	0.35	62	0
2004	28	15	38	18	17.9	20	0.03	86	0
2003	31.2	4	43.9	2	18.5	10	0.10	81	0
2002	23.9	44	34.5	43	13.4	50	0.04	84	0
2001	24.5	41	34.3	44	14.8	39	0.31	65	0
2000	27.2	24	39.4	10	15.1	37	0.46	47	0
1999	27.6	19	38.5	13	16.7	28	0.22	74	0
1998	25.6	37	34.6	42	16.6	29	0.49	42	0
1997	21.3	62	31.4	63	11.2	63	0.57	33	0
1996	20.8	66	32.5	51	9.2	72	0.94	9	0
1995	27.3	23	36.5	29	18.1	16	0.84	12	0
1994	29	10	39.2	12	18.8	8	0.60	28	0
1993	21.5	61	30.9	64	12	59	0.72	21	0
1992	28	15	37.8	19	18.3	13	0.17	77	0
1991	21.3	62	32.3	56	10.3	70	0.54	34	0
1990	29.1	9	40.5	6	17.6	23	0.27	70	0
1989	26.1	33	37.7	22	14.5	41	0.16	78	0
1988	20.3	70	29.9	70	10.6	66	0.28	68	0
1987	23.1	50	31.9	60	14.3	43	1.42	2	0
1986	31.5	2	40.1	7	23	1	0.36	60	0
1985	16	83	25.7	83	6.4	80	0.79	16	0
1984	21.9	58	29.6	71	14.1	46	1.19	5	0
1983	31.2	4	40.9	5	21.5	4	0.42	55	0
1982	20	72	32.5	51	7.6	76	0.41	57	0
1981	31.3	3	44.2	1	18.5	10	0.46	47	0
1980	16.3	81	28.4	77	4.3	83	0.81	13	0
1979	8.8	86	20	86	-2.4	86	0.81	13	0
1978	17	80	27.6	79	6.5	78	0.70	23	0
1977	20.2	71	31.9	60	8.4	74	0.35	62	0
1976	23	51	32.4	55	13.6	48	0.44	51	0
1975	21.1	64	30.5	68	11.7	60	0.51	40	0
1974	18.7	75	28.5	76	8.8	73	0.69	24	0
1973	19.2	73	28	78	10.4	68	0.63	27	0
1972	17.7	78	28.9	73	6.5	78	0.99	7	0
1971	25.4	38	35.7	35	15.1	37	0.19	75	0
1970	23.2	48	34.9	39	11.6	62	0.59	29	0
1969	27.1	25	38.5	13	15.7	35	0.08	83	0
1968	23.2	48	33.7	47	12.7	56	0.33	64	0
1967	26.7	28	35.8	33	17.6	23	0.58	31	0
1966	21.8	59	32.5	51	11.1	64	0.30	66	0
1965	29.7	8	39.5	9	19.8	5	0.78	17	0
1964	22.9	53	32.3	56	13.6	48	0.75	18	0
1963	13.6	85	25.6	84	1.7	85	0.38	59	0
1962	15.3	84	25.4	85	5.3	81	0.85	11	0
1961	28.7	11	38.5	13	18.8	8	0.04	84	0
1960	22.1	57	30.9	64	13.3	51	0.71	22	0
1959	23.6	46	35.1	38	12.2	58	0.58	31	0
1958	28.2	13	38.2	16	18.3	13	0.11	80	0
1957	16.2	82	27.2	82	5.2	82	0.42	55	0
1956	27.4	22	36.9	28	17.9	20	0.44	51	0
1955	22.2	56	31.7	62	12.8	54	0.59	29	0
1954	27.1	25	37.8	19	16.4	30	0.45	50	0
1953	32.7	1	42.5	3	22.9	2	0.53	36	0
1952	25.8	34	35.4	37	16.1	31	trace	87	0
1951	20.5	68	30.6	67	10.4	68	0.27	70	0
1950	17.7	78	32	59	3.4	84	0.53	36	0
1949	6	87	17.4	87	-5.3	87	1.36	3	0
1948	22.6	54	32.5	51	12.8	54	0.40	58	0
1947	23.6	46	34	45	13.1	52	0.46	47	0
1946	27.9	18	37.7	22	18.1	16	0.43	54	0
1945	26.5	31	36	31	17.1	25	0.25	73	0
1944	23	51	32.2	58	13.8	47	1.30	4	0
1943	23.7	45	34.9	39	12.5	57	0.80	15	0
1942	21.6	60	30.4	69	12.9	53	0.14	79	0
1941	28.5	12	38.1	17	18.9	7	0.47	46	0
1940	18.3	76	28.8	75	7.8	75	0.50	41	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1953	32.7
1986	31.5
1981	31.3
2003	31.2
1983	31.2
2006	30.9
2026	30.4
1965	29.7
1990	29.1
1994	29

Coldest
Year	Mean, °F
1949	6
1979	8.8
1963	13.6
1962	15.3
1985	16
1957	16.2
1980	16.3
1978	17
1972	17.7
1950	17.7

Wettest
Year	Precipitation, in
2023	1.99
1987	1.42
1949	1.36
1944	1.30
1984	1.19
2009	1.08
2016	0.99
1972	0.99
1996	0.94
2022	0.90

Driest
Year	Precipitation, in
1952	trace
2004	0.03
2002	0.04
1961	0.04
1969	0.08
2010	0.09
2003	0.10
1958	0.11
1942	0.14
1989	0.16

The hottest, coldest and wettest days

Hottest day: 57°F; 14 January 2026
Coldest night: -10°F; 24 January 2026, 23 January 2026
Wettest day: 0.06 in; 1 January 2026

Every month, season and year

Months

Seasons

Years

Casper, WY the day's answers

All-time records

Every answer in words

January 2026 brought 0.19 in of precipitation in Casper, WY, the driest January since 2010, tied 12th driest of 87 (with 1971).
The hottest day of January 2026 in Casper, WY: 57°F on Wednesday 14 January 2026.
The coldest night of January 2026 in Casper, WY: a low of -10°F on Saturday 24 January 2026 and Friday 23 January 2026.
The wettest day of January 2026 in Casper, WY: 0.06 in on Thursday 1 January 2026.