Earliest and Latest Snowfalls in Portland History

This is a list of the earliest and latest times in the year when snow was recorded in Portland, Maine. It is based on NOAA data from the years 1871–2024.

What's the Earliest it has Snowed in Portland?

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

What's the Latest it has Snowed in Portland?

The latest in the season it has snowed in Portland, Maine is May 11 which happened in 1945.

Earliest Snowfalls

Date	Year	Snowfall
October 10	1979	1.7 inches
October 14	1913	0.1 inches
October 15	1961	0.8 inches
October 19	1959	0.1 inches
October 21	1926	0.5 inches
October 22	1969	3.6 inches
October 23	1969	0.2 inches
October 26	1962	3.6 inches
October 29	2011	2.7 inches
October 30	2011	2.5 inches
October 30	1993	0.2 inches
October 30	1963	1.7 inches
October 31	1906	0.9 inches
October 31	1884	0.3 inches
November 1	1965	0.1 inches
November 1	1951	2.6 inches
November 1	1884	2.0 inches
November 2	2014	0.4 inches
November 2	1906	2.8 inches
November 2	1895	2.0 inches
November 2	1892	1.5 inches

Latest Snowfalls

Date	Year	Snowfall
May 11	1945	5.0 inches
May 10	1966	0.1 inches
May 10	1945	2.0 inches
May 9	1966	0.6 inches
May 8	1966	1.3 inches
May 7	1967	0.1 inches
April 29	1987	1.1 inches
April 28	1987	2.3 inches
April 28	1958	1.5 inches
April 27	1993	0.4 inches
April 27	1933	0.1 inches
April 27	1885	0.3 inches
April 26	2016	2.2 inches
April 26	1890	0.5 inches
April 26	1887	1.9 inches
April 26	1885	1.2 inches
April 25	2002	0.3 inches
April 25	1962	2.2 inches
April 25	1919	1.1 inches
April 24	1963	0.6 inches
April 24	1928	0.8 inches
April 24	1906	5.5 inches