Casper, WY: July

31 July 2026: July 2026 averaged 75.8°F in Casper, WY, the warmest July since 1954, 2nd warmest of 87.

July 2026

Mean temperature: 75.8°F; Warmest since 1954; 2nd warmest of 87
Precipitation: 0.13 in; Driest since 2020; 4th driest of 87

A normal July in Casper, WY (1991 to 2020): a mean temperature of 71.6°F, between 68.2°F and 73.9°F in eight years of ten and 1.04 in of precipitation, between 0.24 in and 2.59 in in eight years of ten.

The mean temperature of every July in Casper, WY since 1940: 75.8°F in 2026; the highest is 76.1°F, in 1954.

Normal range, 68.2 to 73.9°F

Every year, ranked, as a table

Every July 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	75.8	2	94.6	1	57	11	0.13	84
2025	71.9	29	90.5	19	53.2	58	1.14	37
2024	70.1	60	90	24	50.3	84	0.53	69
2023	69.8	66	88	48	51.6	76	1.28	26
2022	72.5	24	92.3	9	52.8	63	0.31	76
2021	73.2	14	91	17	55.4	26	1.83	16
2020	71.7	34	91.2	15	52.2	70	0.02	87
2019	71	50	90.2	23	51.8	74	0.74	57
2018	71.5	38	89.5	31	53.6	52	1.62	18
2017	73.1	17	92.1	10	54	44	0.37	74
2016	71.3	44	90.4	22	52.1	71	0.24	81
2015	68.4	76	86.1	64	50.7	82	0.57	67
2014	70.3	58	88.6	37	51.9	73	1.17	35
2013	72.1	27	89.8	28	54.5	37	1.66	17
2012	75.2	4	92.9	2	57.5	6	1.01	43
2011	73.1	17	90.5	19	55.6	24	1.52	20
2010	69.1	71	86.8	59	51.5	77	0.95	47
2009	66.7	83	83.9	79	49.5	85	3.45	2
2008	71.6	36	90.6	18	52.5	65	0.66	61
2007	74.8	6	92.5	7	57.1	9	3.54	1
2006	75.3	3	92.6	5	58	3	0.82	53
2005	72.6	22	91.9	12	53.4	55	1.32	25
2004	68.3	78	85.4	70	51.2	80	2.58	7
2003	73.2	14	92.4	8	54.1	42	0.40	72
2002	73.5	10	92	11	55.1	30	1.07	39
2001	73.8	9	91.2	15	56.4	16	1.19	34
2000	72.6	22	92.9	2	52.4	68	0.22	83
1999	71.8	30	89.8	28	53.8	49	0.24	81
1998	72.7	21	89.5	31	55.8	19	1.99	11
1997	69	73	85.5	68	52.4	68	1.46	23
1996	69.9	64	88.9	34	50.9	81	1.26	28
1995	69	73	86.5	61	51.5	77	0.43	71
1994	71.4	42	88.4	42	54.4	39	2.66	4
1993	66.7	83	82.9	82	50.5	83	0.86	51
1992	67.2	81	82	85	52.5	65	1.51	22
1991	71.5	38	88.3	44	54.7	34	0.09	86
1990	69.8	66	85.4	70	54.2	41	2.15	10
1989	73.4	12	91.4	14	55.4	26	0.28	78
1988	73.5	10	91.6	13	55.4	26	0.55	68
1987	70.7	53	87.6	51	53.7	51	1.93	12
1986	69	73	85	75	53	60	0.88	49
1985	71.6	36	88.2	45	55	33	1.57	19
1984	70.4	57	86.9	57	53.9	45	2.26	8
1983	71.2	46	88.5	38	53.8	49	2.61	6
1982	70.7	53	87.9	50	53.5	53	1.92	14
1981	71.8	30	88.5	38	55.1	30	1.27	27
1980	72.2	26	89.9	26	54.5	37	0.85	52
1979	70.8	51	88.8	35	52.8	63	1.22	30
1978	69.6	69	86.2	62	53	60	2.62	5
1977	71.7	34	87.6	51	55.8	19	1.88	15
1976	72.8	20	87.5	53	58	3	1.07	39
1975	72.9	19	88.5	38	57.2	8	0.63	62
1974	72.5	24	88.2	45	56.9	12	0.75	56
1973	68.4	76	83.9	79	52.9	62	2.26	8
1972	65.9	87	83.4	81	48.4	87	1.04	41
1971	67.2	81	85.2	73	49.2	86	0.11	85
1970	71.2	46	88.4	42	53.9	45	0.73	58
1969	71.5	38	89.7	30	53.4	55	0.70	60
1968	69.1	71	86.1	64	52	72	1.02	42
1967	69.8	66	85.5	68	54.1	42	1.46	23
1966	74.9	5	92.6	5	57.1	9	0.46	70
1965	69.2	70	84.6	78	53.9	45	1.16	36
1964	74	7	90	24	58.1	2	0.73	58
1963	72	28	88.2	45	55.8	19	1.20	33
1962	67.7	80	82.1	84	53.4	55	1.24	29
1961	70.3	58	85	75	55.6	24	1.21	32
1960	71.4	42	87.4	55	55.3	29	0.59	65
1959	70	62	86.8	59	53.2	58	0.27	79
1958	66.3	85	81.2	86	51.4	79	0.96	46
1957	71.8	30	87.5	53	56.1	17	1.00	44
1956	70.8	51	85.6	66	55.9	18	0.76	55
1955	73.2	14	89.9	26	56.5	14	0.27	79
1954	76.1	1	92.8	4	59.3	1	0.38	73
1953	73.4	12	89.1	33	57.8	5	1.52	20
1952	70	62	86.2	62	53.9	45	0.58	66
1951	69.9	64	85	75	54.7	34	3.05	3
1950	66.3	85	80.8	87	51.8	74	0.88	49
1949	70.7	53	88.8	35	52.5	65	0.77	54
1948	70.5	56	85.3	72	55.7	22	0.93	48
1947	71.3	44	86.9	57	55.7	22	1.93	12
1946	71.8	30	87.1	56	56.5	14	1.22	30
1945	70.1	60	85.1	74	55.1	30	0.60	63
1944	68	79	82.6	83	53.5	53	1.14	37
1943	71.5	38	88.5	38	54.6	36	0.29	77
1942	71.2	46	88	48	54.4	39	0.37	74
1941	71.1	49	85.6	66	56.6	13	0.99	45
1940	73.9	8	90.5	19	57.4	7	0.60	63

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1954	76.1
2026	75.8
2006	75.3
2012	75.2
1966	74.9
2007	74.8
1964	74
1940	73.9
2001	73.8
2002	73.5
More years share the last value

Coldest
Year	Mean, °F
1972	65.9
1958	66.3
1950	66.3
2009	66.7
1993	66.7
1992	67.2
1971	67.2
1962	67.7
1944	68
2004	68.3

Wettest
Year	Precipitation, in
2007	3.54
2009	3.45
1951	3.05
1994	2.66
1978	2.62
1983	2.61
2004	2.58
1984	2.26
1973	2.26
1990	2.15

Driest
Year	Precipitation, in
2020	0.02
1991	0.09
1971	0.11
2026	0.13
2000	0.22
2016	0.24
1999	0.24
1959	0.27
1955	0.27
1989	0.28

The hottest, coldest and wettest days

Hottest day: 103°F; 12 July 2026
Coldest night: 46°F; 10 July 2026, 2 July 2026
Wettest day: 0.05 in; 9 July 2026

Every month, season and year

Months

Seasons

Years

Casper, WY the day's answers

All-time records

Every answer in words

July 2026 brought 0.13 in of precipitation in Casper, WY, the driest July since 2020, 4th driest of 87.
The hottest day of July 2026 in Casper, WY: 103°F on Sunday 12 July 2026.
The coldest night of July 2026 in Casper, WY: a low of 46°F on Friday 10 July 2026 and Thursday 2 July 2026.
The wettest day of July 2026 in Casper, WY: 0.05 in on Thursday 9 July 2026.