Delaware August Temperature by Year

This page is a list of the average statewide temperature in the month of August in Delaware for each year from 1895–2023. It is a statewide average over the entire territory of the state, based on data from the NOAA.

State:

Month:

What Was the Hottest August in Delaware History?

2018 was the warmest August in Delaware history. Statewide, the average daily high temperature was 87.8 °F, and the average low was 69.4 °F.

What Was the Coldest August in Delaware History?

1927 was the coolest August in Delaware history. Statewide, the average daily high temperature was 77.9 °F, and the average low was 59.3 °F.

Click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	41	84.1	66.8
2022	3	88.7	67.9
2021	11	85.8	68.3
2020	8	85.9	68.5
2019	20	86.0	66.9
2018	1	87.8	69.4
2017	64	83.1	65.0
2016	1	88.8	68.5
2015	49	85.6	64.5
2014	97	82.7	62.5
2013	78	82.3	64.4
2012	15	85.9	67.7
2011	41	85.5	65.4
2010	11	86.9	67.1
2009	8	86.6	67.9
2008	78	84.6	62.1
2007	17	86.7	66.4
2006	10	87.3	66.9
2005	6	87.4	68.4
2004	64	82.9	65.0
2003	19	85.6	67.4
2002	5	88.8	67.1
2001	16	86.3	66.9
2000	87	82.0	64.2
1999	23	86.5	65.9
1998	47	85.8	64.6
1997	73	84.5	62.7
1996	84	83.2	63.1
1995	20	87.2	65.5
1994	107	82.2	62.2
1993	41	85.8	65.2
1992	122	81.0	61.8
1991	35	85.5	66.0
1990	59	83.2	65.2
1989	64	82.1	65.9
1988	7	86.9	67.9
1987	52	85.3	64.2
1986	101	82.3	62.7
1985	71	83.3	64.1
1984	53	84.2	65.1
1983	31	86.7	64.8
1982	122	82.2	60.6
1981	112	82.1	61.5
1980	11	87.5	66.5
1979	63	83.4	64.8
1978	17	85.4	67.8
1977	25	86.4	65.6
1976	97	83.2	62.0
1975	31	86.3	65.2
1974	59	83.8	64.6
1973	37	85.2	66.0
1972	90	83.4	62.4
1971	97	82.9	62.3
1970	50	85.7	64.1
1969	78	83.5	63.4
1968	25	87.3	64.7
1967	102	81.1	63.7
1966	53	85.8	63.7
1965	87	83.3	62.9
1964	119	82.5	60.9
1963	107	83.5	60.9
1962	91	83.6	61.9
1961	64	83.7	64.4
1960	45	84.2	66.4
1959	22	85.6	67.0
1958	84	82.4	63.9
1957	97	84.2	61.1
1956	81	83.5	63.1
1955	11	85.7	68.4
1954	81	83.8	62.7
1953	73	84.6	62.7
1952	64	83.5	64.5
1951	75	83.9	63.2
1950	104	83.0	61.6
1949	47	85.2	65.2
1948	71	83.9	63.5
1947	31	85.6	65.9
1946	128	80.1	60.3
1945	107	83.1	61.3
1944	64	85.2	62.8
1943	45	87.4	63.2
1942	93	81.4	64.0
1941	93	84.0	61.3
1940	119	80.3	63.1
1939	25	85.3	66.7
1938	25	86.6	65.4
1937	37	84.6	66.5
1936	37	86.3	64.9
1935	75	82.8	64.2
1934	112	81.3	62.3
1933	57	83.6	65.2
1932	55	86.9	62.3
1931	59	83.6	64.7
1930	84	85.1	61.2
1929	121	82.7	60.4
1928	29	85.3	66.5
1927	129	77.9	59.3
1926	50	83.9	65.9
1925	126	82.6	59.9
1924	87	83.3	62.9
1923	104	81.6	63.1
1922	112	80.5	63.1
1921	122	81.8	61.0
1920	75	81.1	65.9
1919	111	81.1	62.6
1918	31	85.6	66.0
1917	70	83.6	64.0
1916	58	84.4	64.3
1915	93	81.4	63.9
1914	44	85.6	65.2
1913	93	82.6	62.8
1912	110	82.1	62.0
1911	59	83.5	64.8
1910	112	81.1	62.6
1909	126	81.7	60.7
1908	125	80.2	62.4
1907	112	81.1	62.5
1906	29	83.3	68.5
1905	102	81.5	63.4
1904	104	81.9	62.7
1903	112	80.5	63.1
1902	112	82.7	60.8
1901	35	84.1	67.2
1900	3	88.4	68.1
1899	81	82.2	64.5
1898	23	84.9	67.4
1897	91	82.6	62.8
1896	56	85.1	63.9
1895	37	86.3	64.9