Average August Temperature in Casper by Year

This page contains a list of the average monthly high and low temperatures in Casper, Wyoming for the month of August each year between 1901 and 2023. It is based on NOAA data.

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What Was the Hottest August Ever in Casper?

1983 was the warmest August in the history of Casper, Wyoming. The average daily high temperature was 91.7 °F, and the average low was 57.8 °F.

What Was the Coldest August Ever in Casper?

1915 was the coolest August in the history of Casper, Wyoming. The average daily high temperature was 76.3 °F, and the average low was 40.8 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	69	84.4	51.8
2022	36	88.5	52.6
2021	67	86.4	50.0
2020	22	90.9	51.9
2019	49	89.1	50.2
2018	78	85.8	49.3
2017	79	84.8	49.9
2016	84	84.9	48.4
2015	66	86.2	50.3
2014	77	84.2	51.0
2013	18	89.1	54.4
2012	33	88.9	52.4
2011	20	90.2	53.2
2010	40	86.5	54.0
2009	98	84.2	46.6
2008	65	86.5	50.1
2007	34	86.9	54.3
2006	47	86.6	52.9
2005	91	83.4	49.2
2004	100	81.6	47.4
2003	10	88.6	56.2
2002	86	84.5	48.7
2001	15	89.3	54.8
2000	11	90.6	54.1
1999	43	87.5	52.4
1998	44	87.1	52.7
1997	63	83.9	52.9
1996	74	87.7	48.1
1995	9	91.2	54.0
1994	6	90.3	56.4
1993	72	84.0	52.0
1992	62	84.5	52.3
1991	16	88.9	55.1
1990	61	85.4	51.6
1989	55	86.1	51.9
1988	46	87.9	51.6
1987	94	82.7	49.6
1986	52	86.6	52.0
1985	85	84.7	48.6
1984	26	88.4	53.9
1983	1	91.7	57.8
1982	5	90.7	56.6
1981	53	86.8	51.6
1980	90	83.5	49.3
1979	76	82.4	52.9
1978	83	82.1	51.4
1977	95	81.9	50.3
1976	64	84.4	52.3
1975	70	85.0	51.0
1974	101	80.8	48.0
1973	35	88.0	53.3
1972	73	83.6	52.4
1971	23	89.4	53.1
1970	12	90.1	54.3
1969	17	90.0	53.6
1968	99	80.3	49.4
1967	58	86.4	51.5
1966	88	83.3	49.7
1965	92	82.9	49.7
1964	96	81.2	50.9
1963	37	84.8	56.1
1962	75	83.6	51.8
1961	14	86.7	57.5
1960	80	83.4	51.1
1959	39	86.1	54.5
1958	24	87.5	55.0
1957	28	85.1	56.9
1956	82	82.1	51.9
1955	7	87.8	58.5
1954	27	87.5	54.7
1953	31	85.8	55.7
1952	42	85.6	54.9
1951	71	83.0	53.0
1950	87	82.9	50.2
1949	48	87.8	51.6
1948	38	89.2	51.5
1939	56	87.9	50.2
1938	50	87.9	51.3
1937	21	89.9	53.4
1936	30	85.7	56.1
1935	25	87.9	54.4
1934	89	77.8	55.0
1932	8	88.1	57.1
1930	81	77.6	56.8
1929	3	89.3	59.2
1928	57	85.3	52.7
1927	93	80.9	51.4
1926	29	86.5	55.4
1925	51	83.6	55.4
1924	45	86.8	52.7
1923	60	83.3	54.1
1922	4	87.9	59.7
1921	41	84.8	55.7
1920	68	83.0	53.3
1917	97	82.8	49.1
1916	59	84.5	52.9
1915	102	76.3	40.8
1914	54	84.8	53.5
1913	32	87.4	54.0
1912	2	100.6	48.4
1911	13	94.8	49.6
1901	19	88.5	54.9

Weather Station Details

Years	Station	Coordinates
1949–2024	Casper-Natrona County International Airport	location
1900–1948	Casper 2 E	location