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

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 Boonton, New Jersey history. It is based on NOAA data from the years 1893–2024.

Earliest freezing temperature in Boonton?

The earliest in a winter season that Boonton, New Jersey has recorded a low temperature of 32 °F or below is September 11 which happened in 1917.

Latest freezing temperature in Boonton?

The latest in a winter season that Boonton, New Jersey has recorded a low temperature of 32 °F or below is June 21 which happened in 1918.

Earliest Days ≤ 32 °F

Date	Year	Temperature
September 11	1917	31 °F
September 12	1917	31 °F
September 17	1923	32 °F
September 18	1923	30 °F
September 24	1963	32 °F
September 24	1953	32 °F
September 25	1963	29 °F
September 26	1963	30 °F
September 26	1932	32 °F
September 26	1925	29 °F
September 26	1922	30 °F
September 27	1957	32 °F
September 27	1947	29 °F
September 27	1940	31 °F
September 27	1928	30 °F
September 27	1925	31 °F
September 28	1989	32 °F
September 28	1947	32 °F
September 29	1957	32 °F
September 29	1947	31 °F
September 29	1942	32 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
June 21	1918	32 °F
June 1	1930	32 °F
May 25	1956	30 °F
May 24	1963	32 °F
May 24	1923	31 °F
May 24	1917	32 °F
May 19	1973	32 °F
May 17	1967	32 °F
May 17	1956	32 °F
May 17	1895	32 °F
May 15	1996	30 °F
May 15	1939	32 °F
May 15	1936	31 °F
May 14	1996	28 °F
May 14	1939	30 °F
May 14	1938	32 °F
May 13	1941	32 °F
May 13	1926	32 °F
May 11	1966	29 °F
May 11	1923	26 °F
May 11	1900	31 °F