Casper, WY: Spring

31 May 2026: Spring 2026 averaged 47.7°F in Casper, WY, the warmest spring since 2012, 4th warmest of 87.

Spring 2026

Mean temperature: 47.7°F; Warmest since 2012; 4th warmest of 87
Precipitation: 3.11 in; Driest since 2020; 16th driest of 87

A normal spring in Casper, WY (1991 to 2020): a mean temperature of 43.3°F, between 41.1°F and 46.3°F in eight years of ten and 4.55 in of precipitation, between 2.35 in and 6.62 in in eight years of ten.

The mean temperature of every spring in Casper, WY since 1940: 47.7°F in 2026; the highest is 49.8°F, in 1994.

Normal range, 41.1 to 46.3°F

Every year, ranked, as a table

Every spring 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
2026	47.7	4	63.7	3	31.7	12	3.11	72
2025	43.9	28	58.8	17	29	56	4.20	45
2024	43.1	41	57.3	31	29	56	4.23	44
2023	40.4	76	53.2	75	27.7	74	4.17	46
2022	39.7	81	54.1	65	25.3	86	6.13	13
2021	41.4	65	55.4	50	27.5	77	4.30	41
2020	42.7	47	57.3	31	28.1	71	2.54	81
2019	39.8	80	52.2	79	27.4	79	6.64	8
2018	44.4	20	59.6	11	29.2	53	4.89	33
2017	45.6	10	58.7	18	32.5	7	6.25	10
2016	43.3	37	56.6	38	30	35	8.00	5
2015	44.3	22	58	21	30.5	26	6.19	12
2014	43.6	33	57.5	28	29.8	41	3.28	65
2013	41.5	64	55.7	48	27.3	80	5.20	24
2012	48.4	3	64.2	2	32.5	7	3.09	73
2011	42	56	54.4	61	29.6	47	5.20	24
2010	41.9	60	54.8	56	29	56	5.16	26
2009	42	56	56.4	42	27.7	74	3.48	60
2008	40.5	75	54.3	62	26.8	83	6.22	11
2007	46	7	60.6	5	31.3	18	4.59	37
2006	45.1	14	60.3	7	29.9	39	2.73	78
2005	43	42	57.4	29	28.6	65	4.50	38
2004	44.9	16	59.8	8	30	35	2.36	82
2003	44.7	18	58.9	15	30.5	26	3.02	74
2002	39.5	84	54.2	64	24.9	87	2.56	80
2001	45	15	59	14	31	19	1.88	86
2000	45.4	12	59.8	8	30.9	21	5.08	29
1999	42.3	53	55.7	48	28.8	63	4.27	42
1998	42.9	44	56.9	35	29	56	2.25	83
1997	41.2	69	55.2	54	27.2	81	4.70	36
1996	41.4	65	54.8	56	28	72	3.57	57
1995	41.9	60	53.7	70	30.1	34	8.47	2
1994	49.8	1	64.7	1	34.9	1	1.84	87
1993	46.1	6	58	21	34.3	2	5.74	17
1992	48.6	2	63.5	4	33.7	3	3.40	63
1991	43.4	35	55.8	46	31	19	6.62	9
1990	43.3	37	57.4	29	29.2	53	3.57	57
1989	44.8	17	59.7	10	29.9	39	3.98	51
1988	44	27	58.3	20	29.7	44	2.66	79
1987	46.5	5	59.4	12	33.5	4	3.18	69
1986	46	7	60.5	6	31.5	13	3.77	55
1985	44.7	18	58.9	15	30.5	26	3.14	71
1984	42.7	47	55.4	50	30	35	5.15	27
1983	40.9	72	52.5	77	29.3	50	5.97	14
1982	43	42	56.6	38	29.3	50	3.95	52
1981	45.8	9	59.1	13	32.5	7	5.84	16
1980	42.2	55	55.4	50	29	56	4.36	40
1979	42.8	46	55.4	50	30.2	32	4.39	39
1978	43.8	29	56.1	44	31.5	13	8.44	3
1977	44.3	22	57.1	34	31.5	13	4.05	49
1976	43.2	40	56.7	37	29.7	44	4.71	35
1975	38.9	86	50.2	87	27.6	76	6.86	7
1974	43.5	34	56.5	41	30.5	26	4.91	32
1973	40.1	77	51.6	81	28.5	68	5.40	20
1972	44.4	20	58	21	30.9	21	3.61	56
1971	40.9	72	53.5	72	28.2	70	10.16	1
1970	39.7	81	51.9	80	27.5	77	5.13	28
1969	43.4	35	57.3	31	29.5	48	3.47	61
1968	41.1	71	53.6	71	28.6	65	5.45	19
1967	42.7	47	56.1	44	29.3	50	3.52	59
1966	43.7	30	58.6	19	28.8	63	2.08	84
1965	38.6	87	50.6	86	26.6	85	4.12	47
1964	39.6	83	51.3	84	27.9	73	5.92	15
1963	44.1	25	56.8	36	31.4	17	3.22	66
1962	43.7	30	56.6	38	30.9	21	5.28	22
1961	44.1	25	56.4	42	31.9	10	2.82	76
1960	43.7	30	57.6	27	29.8	41	2.04	85
1959	41.7	62	53.9	69	29.4	49	4.05	49
1958	42.6	50	54.8	56	30.3	31	5.00	31
1957	41.7	62	53.1	76	30.2	32	7.21	6
1956	43.3	37	55.8	46	30.8	25	4.24	43
1955	41.3	67	54	67	28.5	68	3.16	70
1954	42	56	55.2	54	28.9	62	3.43	62
1953	41.2	69	53.3	74	29.1	55	2.79	77
1952	42.5	52	54.6	59	30.5	26	5.69	18
1951	39.9	79	52.5	77	27.2	81	3.20	68
1950	39.2	85	51.6	81	26.8	83	5.03	30
1949	44.3	22	57.7	26	30.9	21	4.09	48
1948	42.3	53	54.6	59	30	35	2.95	75
1947	42	56	54.1	65	29.8	41	5.28	22
1946	45.6	10	58	21	33.2	5	5.40	20
1945	40.1	77	51.2	85	29	56	3.21	67
1944	40.6	74	51.5	83	29.7	44	4.84	34
1943	41.3	67	54	67	28.6	65	3.95	52
1942	42.9	44	54.3	62	31.5	13	3.86	54
1941	42.6	50	53.5	72	31.8	11	8.39	4
1940	45.4	12	57.8	25	33	6	3.36	64

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1994	49.8
1992	48.6
2012	48.4
2026	47.7
1987	46.5
1993	46.1
2007	46
1986	46
1981	45.8
2017	45.6
More years share the last value

Coldest
Year	Mean, °F
1965	38.6
1975	38.9
1950	39.2
2002	39.5
1964	39.6
2022	39.7
1970	39.7
2019	39.8
1951	39.9
1973	40.1
More years share the last value

Wettest
Year	Precipitation, in
1971	10.16
1995	8.47
1978	8.44
1941	8.39
2016	8.00
1957	7.21
1975	6.86
2019	6.64
1991	6.62
2017	6.25

Driest
Year	Precipitation, in
1994	1.84
2001	1.88
1960	2.04
1966	2.08
1998	2.25
2004	2.36
2020	2.54
2002	2.56
1988	2.66
2006	2.73

The hottest, coldest and wettest days

Hottest day: 92°F; 13 May 2026
Coldest night: 5°F; 16 March 2026
Wettest day: 0.62 in; 18 May 2026

Every month, season and year

Months

Seasons

Years

Casper, WY the day's answers

All-time records

Every answer in words

Spring 2026 brought 3.11 in of precipitation in Casper, WY, the driest spring since 2020, 16th driest of 87.
The hottest day of spring 2026 in Casper, WY: 92°F on Wednesday 13 May 2026.
The coldest night of spring 2026 in Casper, WY: a low of 5°F on Monday 16 March 2026.
The wettest day of spring 2026 in Casper, WY: 0.62 in on Monday 18 May 2026.