Earliest and Latest Snowfalls in Mt. Washington History

This is a list of the earliest and latest times in the year when snow was recorded in Mt. Washington, New Hampshire. It is based on NOAA data from the years 1948–2024.

What's the Earliest it has Snowed in Mt. Washington?

The earliest in the season it has snowed in Mt. Washington, New Hampshire is July 1 which has happened 4 times, most recently in 2010.

What's the Latest it has Snowed in Mt. Washington?

The latest in the season it has snowed in Mt. Washington, New Hampshire is June 30 which happened in 1988.

Earliest Snowfalls

Date	Year	Snowfall
July 1	2010	0.2 inches
July 1	2007	0.2 inches
July 1	1988	0.2 inches
July 1	1957	1.1 inches
July 2	2007	0.1 inches
July 5	1979	0.8 inches
July 5	1962	0.1 inches
July 10	2007	0.1 inches
July 14	2020	0.2 inches
July 23	2021	0.2 inches
August 3	2015	0.2 inches
August 7	2014	0.1 inches
August 10	2019	0.2 inches
August 10	2014	0.2 inches
August 14	1964	0.6 inches
August 15	1964	0.6 inches
August 20	2000	0.8 inches
August 21	1982	0.2 inches
August 23	1971	0.2 inches
August 24	1986	1.2 inches

Latest Snowfalls

Date	Year	Snowfall
June 30	1988	5.1 inches
June 29	2022	0.2 inches
June 28	2017	0.1 inches
June 25	1986	0.5 inches
June 25	1985	1.1 inches
June 22	2007	0.3 inches
June 21	2020	0.3 inches
June 21	1968	0.1 inches
June 20	1968	1.4 inches
June 19	2022	0.4 inches
June 19	1965	0.2 inches
June 18	2022	1.3 inches
June 18	2013	0.4 inches
June 18	1959	0.2 inches
June 18	1958	0.2 inches
June 17	1973	0.1 inches
June 17	1959	1.2 inches
June 17	1958	1.0 inches
June 17	1950	1.0 inches
June 16	1959	1.8 inches
June 16	1958	0.3 inches