Earliest and Latest Days at or Below 32° F in Wilmington

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 32 °F in Wilmington, Delaware history. It is based on NOAA data from the years 1894–2024.

Earliest freezing temperature in Wilmington?

The earliest in a winter season that Wilmington, Delaware has recorded a low temperature of 32 °F or below is September 27 which happened in 1940.

Latest freezing temperature in Wilmington?

The latest in a winter season that Wilmington, Delaware has recorded a low temperature of 32 °F or below is May 11 which happened in 1966.

Earliest Days ≤ 32 °F

Date	Year	Temperature
September 27	1940	32 °F
October 1	1947	31 °F
October 3	1974	32 °F
October 4	1974	30 °F
October 4	1945	30 °F
October 6	1965	30 °F
October 9	2001	31 °F
October 11	1964	29 °F
October 11	1925	29 °F
October 12	1964	30 °F
October 13	1934	32 °F
October 13	1917	32 °F
October 14	1988	30 °F
October 15	1945	32 °F
October 15	1937	31 °F
October 16	1944	29 °F
October 16	1939	32 °F
October 18	2015	32 °F
October 18	1982	28 °F
October 18	1978	31 °F
October 18	1939	29 °F
October 18	1929	29 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
May 11	1966	32 °F
May 9	1947	32 °F
May 1	1978	30 °F
April 29	1948	32 °F
April 29	1922	31 °F
April 28	2012	32 °F
April 28	1947	32 °F
April 28	1946	31 °F
April 28	1934	30 °F
April 27	1933	32 °F
April 26	1919	32 °F
April 25	2015	31 °F
April 25	1940	32 °F
April 25	1936	31 °F
April 25	1919	31 °F
April 24	1930	30 °F
April 24	1927	32 °F
April 23	1947	31 °F
April 23	1945	29 °F
April 23	1936	32 °F
April 23	1933	25 °F
April 23	1930	31 °F
April 23	1922	32 °F