Wilmington, OH: records

4 October 2026: The hottest day on record in Wilmington, OH: 111°F on Saturday 21 July 1934.

The record begins: 1915

All-time records

Hottest day: 111°F; 21 July 1934
Coldest night: -25°F; 22 January 1984, 18 January 1982, 17 January 1982
Wettest day: 5.35 in; 21 July 1954
Warmest night: 80°F; 21 July 1934
Coldest day: -10°F; 21 January 1985

Daily records by decade

New daily records set in Wilmington, OH by decade since the 1940s: the most record highs, 42, came in the 1950s; the most record lows, 79, in the 1970s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1910s	0	0	5
1920s	0	0	10
1930s	0	0	10
1940s	35	26	10
1950s	42	53	10
1960s	20	54	10
1970s	21	79	10
1980s	19	50	10
1990s	12	15	10
2000s	11	6	10
2010s	15	11	10
2020s	11	1	7

Records by month

Month	Highest	Lowest	Wettest day
January	74°F 25 January 1950	-25°F 22 January 1984, 18 January 1982, 17 January 1982	3.43 in 22 January 1959
February	76°F 20 February 2018, 10 February 1932	-20°F 3 February 1985	2.35 in 17 February 2022
March	88°F 25 March 1929	-10°F 10 March 1984	3.63 in 5 March 1964
April	92°F 30 April 1942	10°F 1 April 1923	3.88 in 20 April 1940
May	97°F 10 May 1936	24°F 10 May 1966	4.38 in 24 May 1968
June	104°F 28 June 1944	36°F 4 June 1929, 16 June 1917	3.47 in 21 June 1939
July	111°F 21 July 1934	40°F 1 July 1988	5.35 in 21 July 1954
August	105°F 31 August 1951, 4 August 1930	37°F 30 August 1986, 29 August 1986, 29 August 1965 and 1 more	3.17 in 30 August 2005
September	104°F 14 September 1939	26°F 26 September 1928	4.06 in 14 September 1979
October	92°F 2 October 2019, 1 October 1927	12°F 29 October 1976, 28 October 1976, 29 October 1925	2.87 in 23 October 2007
November	82°F 3 November 1946	-6°F 30 November 1958	3.15 in 7 November 1925
December	73°F 4 December 1982	-24°F 22 December 1989	2.45 in 24 December 1921

Streaks, months and years

Longest heat streak	21 days	30 June to 20 July 1921	A high of 90°F or above
Longest cold streak	22 days	9 January to 30 January 1985	A high of 32°F or below
Wettest month	13.74 in	January 1937
Driest month	0.03 in	October 1963
Wettest year	61.61 in	1929
Driest year	23.74 in	1930

Every record in words

The coldest night on record in Wilmington, OH: a low of -25°F on Sunday 22 January 1984, Monday 18 January 1982 and Sunday 17 January 1982.
The wettest day on record in Wilmington, OH: 5.35 in on Wednesday 21 July 1954.
The warmest night on record in Wilmington, OH: a low of 80°F on Saturday 21 July 1934.
The coldest day on record in Wilmington, OH: a high of -10°F on Monday 21 January 1985.
The longest run of days with a high of 90°F or above in Wilmington, OH: 21 days, from Thursday 30 June to Wednesday 20 July 1921.
The longest run of days with a high of 32°F or below in Wilmington, OH: 22 days, from Wednesday 9 January to Wednesday 30 January 1985.
The wettest month on record in Wilmington, OH: January 1937, with 13.74 in of precipitation.
The driest month on record in Wilmington, OH: October 1963, with 0.03 in of precipitation.
The wettest year on record in Wilmington, OH: 1929, with 61.61 in of precipitation.
The driest year on record in Wilmington, OH: 1930, with 23.74 in of precipitation.

Wilmington, OH the day's answers