Casper, WY: June

30 June 2026: June 2026 averaged 62.9°F in Casper, WY, the warmest June since 2025, tied 42nd warmest of 87 (with 1946).

June 2026

Mean temperature: 62.9°F; Warmest since 2025; 42nd warmest of 87
Precipitation: 0.55 in; Driest since 2025; 21st driest of 87

A normal June in Casper, WY (1991 to 2020): a mean temperature of 63.1°F, between 59.5°F and 67.1°F in eight years of ten and 0.99 in of precipitation, between 0.30 in and 2.68 in in eight years of ten.

The mean temperature of every June in Casper, WY since 1940: 62.9°F in 2026; the highest is 72.5°F, in 1988.

Normal range, 59.5 to 67.1°F

Every year, ranked, as a table

Every June 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	62.9	42	81	29	44.7	69	0.55	67	0
2025	64.3	27	83.5	12	45	64	0.53	71	0
2024	66.3	13	85.4	8	47.3	34	0.80	54	0
2023	60.2	71	73.2	79	47.1	36	3.29	7	0
2022	62.4	47	80.6	33	44.2	76	0.21	81	0
2021	68.3	4	87.1	4	49.5	14	1.97	19	0
2020	63.9	33	82.1	22	45.7	54	0.30	76	0
2019	60.2	71	77.1	54	43.3	82	0.96	47	0
2018	64.1	31	81.8	24	46.4	46	1.63	28	0
2017	63	40	80.6	33	45.3	62	1.01	46	0
2016	67	9	86.2	6	47.7	29	1.17	42	0
2015	66.4	11	82.9	20	49.9	10	1.50	31	0
2014	60.1	73	77.2	53	42.9	84	1.35	34	0
2013	65.2	18	84.3	11	46	52	0.87	50	0
2012	67.9	6	87.2	3	48.6	18	0.28	78	0
2011	60.5	64	78	49	43	83	1.55	29	0
2010	61.1	57	76.4	58	45.7	54	2.44	13	0
2009	59.5	76	73.6	75	45.4	61	2.23	16	0
2008	59.3	80	76.6	55	41.9	87	0.57	65	0
2007	64	32	83.3	13	44.6	70	0.72	57	0
2006	67.7	7	87.4	2	48	22	0.68	59	0
2005	61.8	48	80.1	36	43.6	79	0.41	73	0
2004	60.1	73	76.4	58	43.7	78	0.54	68	0
2003	59.5	76	74.6	69	44.3	75	4.69	1	0
2002	65.4	17	84.6	10	46.2	49	0.51	72	0
2001	64.9	20	83	17	46.9	38	0.29	77	0
2000	61.2	55	79.8	37	42.5	85	0.86	51	0
1999	60.9	61	76.3	60	45.5	58	1.78	24	0
1998	56	86	69.5	84	42.5	85	2.67	10	0
1997	63.2	38	79.8	37	46.6	44	1.21	41	0
1996	64.3	27	83	17	45.5	58	0.83	52	0
1995	59.4	79	73.3	77	45.5	58	3.62	6	0
1994	68.4	3	86.7	5	50.1	8	0.22	80	0
1993	60.3	68	74.1	73	46.4	46	2.79	9	0
1992	63.7	34	78.7	45	48.7	17	0.79	55	0
1991	64.9	20	80.5	35	49.4	15	1.70	26	0
1990	64.6	25	82.4	21	46.7	43	0.66	60	0
1989	61.2	55	76.6	55	45.8	53	1.95	20	0
1988	72.5	1	89.8	1	55.3	1	0.28	78	0
1987	64.8	24	82.1	22	47.5	32	0.70	58	0
1986	67.4	8	83.1	14	51.7	3	4.06	3	0
1985	61.3	54	78	49	44.5	73	1.32	36	0
1984	61.5	51	78	49	45	64	1.34	35	0
1983	60.4	66	74	74	46.8	40	3.76	4	0
1982	60.3	68	74.3	71	46.3	48	4.15	2	0
1981	64.3	27	80.7	32	47.9	23	0.37	75	0
1980	64.4	26	83.1	14	45.7	54	0.10	85	0
1979	61.8	48	78.9	43	44.6	70	1.31	38	0
1978	63.6	36	79.4	41	47.8	24	1.40	33	0
1977	69.3	2	85.5	7	53.2	2	0.19	82	0
1976	60.7	62	76.6	55	44.8	68	1.66	27	0
1975	58.8	81	73.5	76	44.1	77	0.94	48	0
1974	64.9	20	81.4	25	48.4	20	0.60	63	0
1973	63	40	79.4	41	46.6	44	0.66	60	0
1972	65	19	81.4	25	48.6	18	0.83	52	0
1971	64.3	27	81	29	47.6	30	0.17	83	0
1970	62.6	44	78	49	47.2	35	2.03	18	0
1969	57	83	70.4	83	43.6	79	2.39	14	0
1968	60.5	64	75.2	65	45.7	54	1.86	22	0
1967	58.5	82	71.8	82	45.2	63	3.75	5	0
1966	61.8	48	78.7	45	44.9	67	1.12	43	0
1965	60.1	73	73.3	77	46.8	40	2.47	11	0
1964	61.1	57	74.5	70	47.6	30	0.59	64	0
1963	64.9	20	79.6	39	50.1	8	0.94	48	0
1962	61.5	51	75.2	65	47.8	24	1.75	25	0
1961	66.1	15	80.8	31	51.3	4	0.54	68	0
1960	63.7	34	79.6	39	47.8	24	0.40	74	0
1959	66.8	10	83.1	14	50.4	7	1.79	23	0
1958	63.6	36	78.9	43	48.4	20	1.32	36	0
1957	61.5	51	75.2	65	47.8	24	1.93	21	0
1956	68.3	4	85.3	9	51.3	4	0.03	87	0
1955	60.4	66	73	80	47.8	24	2.07	17	0
1954	63.1	39	78.6	47	47.5	32	0.62	62	0
1953	65.5	16	81.1	28	49.9	10	1.07	44	0
1952	66.2	14	81.4	25	51	6	1.06	45	0
1951	56.2	85	68.9	85	43.6	79	1.53	30	0
1950	61	60	75.8	61	46.2	49	1.50	31	0
1949	60.3	68	75.6	63	45	64	0.75	56	0
1948	62.6	44	75.6	63	49.6	13	2.30	15	1
1947	56.4	84	68.2	86	44.5	73	3.11	8	0
1946	62.9	42	78.6	47	47.1	36	1.28	39	0
1945	56	86	67.5	87	44.6	70	2.46	12	0
1944	59.5	76	72.7	81	46.2	49	1.27	40	0
1943	60.6	63	74.3	71	46.8	40	0.56	66	0
1942	61.1	57	75.2	65	46.9	38	0.09	86	0
1941	62.5	46	75.7	62	49.2	16	0.54	68	0
1940	66.4	11	83	17	49.8	12	0.17	83	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1988	72.5
1977	69.3
1994	68.4
2021	68.3
1956	68.3
2012	67.9
2006	67.7
1986	67.4
2016	67
1959	66.8

Coldest
Year	Mean, °F
1998	56
1945	56
1951	56.2
1947	56.4
1969	57
1967	58.5
1975	58.8
2008	59.3
1995	59.4
2009	59.5
More years share the last value

Wettest
Year	Precipitation, in
2003	4.69
1982	4.15
1986	4.06
1983	3.76
1967	3.75
1995	3.62
2023	3.29
1947	3.11
1993	2.79
1998	2.67

Driest
Year	Precipitation, in
1956	0.03
1942	0.09
1980	0.10
1971	0.17
1940	0.17
1977	0.19
2022	0.21
1994	0.22
2012	0.28
1988	0.28

The hottest, coldest and wettest days

Hottest day: 96°F; 6 June 2026
Coldest night: 30°F; 15 June 2026
Wettest day: 0.48 in; 25 June 2026

Every month, season and year

Months

Seasons

Years

Casper, WY the day's answers

All-time records

Every answer in words

June 2026 brought 0.55 in of precipitation in Casper, WY, the driest June since 2025, 21st driest of 87.
The hottest day of June 2026 in Casper, WY: 96°F on Saturday 6 June 2026.
The coldest night of June 2026 in Casper, WY: a low of 30°F on Monday 15 June 2026.
The wettest day of June 2026 in Casper, WY: 0.48 in on Thursday 25 June 2026.