Earliest and Latest Snowfalls in Boston History

This is a list of the earliest and latest times in the year when snow was recorded in Boston, Massachusetts. It is based on NOAA data from the years 1893–2024.

What's the Earliest it has Snowed in Boston?

The earliest in the season it has snowed in Boston, Massachusetts is October 10 which happened in 1979.

What's the Latest it has Snowed in Boston?

The latest in the season it has snowed in Boston, Massachusetts is May 10 which happened in 1977.

Earliest Snowfalls

Date	Year	Snowfall
October 10	1979	0.2 inches
October 18	2009	0.1 inches
October 29	2011	0.4 inches
October 29	2005	1.1 inches
October 30	2020	4.3 inches
October 30	2011	0.6 inches
November 4	1945	0.8 inches
November 6	1933	0.1 inches
November 6	1894	3.5 inches
November 7	2012	0.1 inches
November 7	1927	0.5 inches
November 8	2012	0.3 inches
November 8	1894	2.3 inches
November 9	1894	0.3 inches
November 10	1987	0.1 inches
November 10	1976	1.0 inches
November 11	1987	3.0 inches
November 11	1986	0.5 inches
November 11	1971	1.2 inches
November 12	2004	1.9 inches
November 12	1987	5.9 inches
November 12	1947	1.0 inches
November 12	1933	2.0 inches
November 12	1899	0.1 inches
November 12	1897	0.3 inches

Latest Snowfalls

Date	Year	Snowfall
May 10	1977	0.5 inches
May 8	1938	0.9 inches
April 29	1987	0.9 inches
April 28	1987	3.2 inches
April 28	1916	2.1 inches
April 27	1993	2.1 inches
April 26	1993	0.1 inches
April 24	1967	0.6 inches
April 23	1956	0.1 inches
April 22	1940	1.5 inches
April 21	1947	0.2 inches
April 20	1947	0.2 inches
April 20	1904	1.0 inches
April 19	1961	0.1 inches
April 18	2020	0.7 inches
April 18	1965	1.6 inches
April 17	1935	0.6 inches
April 17	1914	0.4 inches
April 16	2021	0.1 inches
April 16	2014	0.3 inches
April 16	1992	1.0 inches
April 16	1962	0.1 inches
April 16	1935	0.3 inches
April 16	1914	0.4 inches
April 16	1911	0.1 inches