Average Temperature in Olney by Year

This page contains a list of the average yearly high and low temperatures in Olney, Illinois for each year between 1897 and 2023. It is based on NOAA data.

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What Was the Hottest Year Ever in Olney?

1921 was the warmest year in the history of Olney, Illinois. The average daily high temperature was 69.7 °F, and the average low was 48.1 °F.

What Was the Coldest Year Ever in Olney?

1917 was the coolest year in the history of Olney, Illinois. The average daily high temperature was 62.8 °F, and the average low was 39.0 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	24	67.5	45.1
2022	93	65.1	43.5
2021	39	66.1	45.3
2020	67	65.3	44.6
2019	84	64.8	44.2
2018	76	64.8	44.7
2017	28	67.1	45.1
2016	34	66.4	45.4
2015	82	65.2	43.9
2014	115	62.0	40.8
2013	114	63.2	42.5
2012	4	70.0	45.8
2011	45	65.7	45.4
2010	80	65.6	43.7
2009	104	63.8	43.5
2008	112	63.9	42.2
2007	37	67.2	44.5
2006	33	66.5	45.3
2005	50	65.5	45.4
2004	75	65.1	44.5
2003	100	64.5	43.3
2002	55	66.0	44.8
2001	58	66.1	44.6
2000	90	64.7	44.1
1999	44	66.7	44.4
1998	12	67.1	47.4
1997	92	64.1	44.5
1996	97	64.0	44.2
1995	62	65.7	44.7
1994	54	66.0	44.8
1993	78	63.9	45.4
1992	41	65.5	45.8
1991	9	67.2	47.8
1989	99	64.5	43.3
1988	86	66.9	42.1
1985	94	64.3	44.2
1984	66	64.6	45.3
1983	69	64.9	44.9
1981	68	65.6	44.3
1980	83	65.2	43.8
1979	113	63.6	42.3
1978	111	64.3	42.1
1977	79	65.4	43.8
1976	105	65.5	41.7
1975	36	65.9	45.7
1974	43	65.9	45.3
1973	19	66.6	46.8
1972	85	65.2	43.8
1971	51	66.6	44.4
1970	70	65.7	44.0
1969	102	64.2	43.4
1968	95	65.1	43.4
1967	81	65.4	43.9
1966	91	65.5	43.1
1965	38	67.0	44.5
1964	30	68.1	43.8
1963	108	66.3	40.4
1962	72	65.8	43.9
1961	48	66.1	44.9
1960	65	65.6	44.3
1959	20	67.4	45.9
1958	98	64.5	43.6
1953	5	70.1	45.6
1952	15	68.5	45.3
1951	87	65.0	44.0
1950	88	65.0	43.9
1948	40	66.5	44.8
1947	59	66.0	44.6
1946	3	69.9	46.2
1945	64	65.8	44.4
1944	16	68.4	45.2
1943	31	67.6	44.3
1942	26	67.0	45.6
1941	11	68.7	45.9
1940	71	66.5	43.3
1939	14	69.3	44.7
1938	6	69.5	46.2
1937	89	65.5	43.3
1936	23	68.6	44.1
1935	57	65.5	45.2
1934	29	67.1	45.0
1933	7	68.9	46.2
1932	25	67.8	44.8
1931	2	69.2	47.5
1930	21	68.3	45.0
1929	73	65.9	43.7
1928	56	66.3	44.4
1927	22	67.3	45.6
1926	53	66.6	44.3
1925	17	68.4	45.3
1924	103	64.1	43.2
1923	27	66.5	45.9
1922	8	68.7	46.4
1921	1	69.7	48.1
1919	42	67.4	43.9
1918	106	65.3	41.8
1917	116	62.8	39.0
1916	109	65.0	41.7
1915	107	63.8	43.2
1914	101	64.3	43.4
1913	49	66.7	44.3
1911	13	67.6	46.9
1910	60	66.2	44.3
1909	32	66.7	45.1
1908	10	69.1	45.8
1907	74	65.3	44.3
1906	46	66.5	44.6
1905	96	65.4	43.0
1904	110	63.4	43.2
1903	77	64.8	44.7
1902	47	65.3	45.7
1901	63	65.9	44.4
1900	18	66.8	46.7
1899	61	65.4	44.9
1898	35	65.8	45.9
1897	52	66.6	44.4

Weather Station Details

Years	Station	Coordinates
1893–2024	Olney 2S	location