Earliest and Latest Snowfalls in Winthrop History

This is a list of the earliest and latest times in the year when snow was recorded in Winthrop, Washington. It is based on NOAA data from the years 1906–2024.

What's the Earliest it has Snowed in Winthrop?

The earliest in the season it has snowed in Winthrop, Washington is October 3 which happened in 1927.

What's the Latest it has Snowed in Winthrop?

The latest in the season it has snowed in Winthrop, Washington is April 27 which happened in 1962.

Earliest Snowfalls

Date	Year	Snowfall
October 3	1927	3.0 inches
October 6	1948	0.5 inches
October 7	1957	0.6 inches
October 9	1997	0.1 inches
October 11	1959	1.8 inches
October 14	2009	1.0 inches
October 15	1913	1.0 inches
October 17	1996	1.5 inches
October 17	1930	1.0 inches
October 18	1996	4.5 inches
October 19	1933	3.0 inches
October 19	1912	5.0 inches
October 21	1945	1.5 inches
October 21	1912	5.0 inches
October 22	2017	2.7 inches
October 22	1945	1.6 inches
October 22	1933	4.5 inches
October 22	1912	3.0 inches
October 23	2020	3.9 inches
October 23	2012	0.2 inches
October 23	1957	3.5 inches

Latest Snowfalls

Date	Year	Snowfall
April 27	1962	3.6 inches
April 14	1955	0.2 inches
April 14	1937	0.5 inches
April 12	1955	4.3 inches
April 12	1917	2.0 inches
April 11	2022	0.2 inches
April 8	1972	2.0 inches
April 8	1945	3.3 inches
April 7	2013	0.5 inches
April 6	1937	0.5 inches
April 5	2010	0.2 inches
April 5	1956	0.5 inches
April 2	2010	0.7 inches
April 2	2009	0.5 inches
April 1	2009	0.2 inches
March 31	2012	0.5 inches
March 31	1982	1.0 inches
March 30	2008	2.0 inches
March 30	1959	0.6 inches
March 30	1958	0.8 inches