Earliest and Latest Snowfalls in Walla Walla History

This is a list of the earliest and latest times in the year when snow was recorded in Walla Walla, Washington. It is based on NOAA data from the years 1949–2024.

What's the Earliest it has Snowed in Walla Walla?

The earliest in the season it has snowed in Walla Walla, Washington is October 29 which happened in 1991.

What's the Latest it has Snowed in Walla Walla?

The latest in the season it has snowed in Walla Walla, Washington is April 15 which happened in 1959.

Earliest Snowfalls

Date	Year	Snowfall
October 29	1991	0.5 inches
October 30	1971	1.0 inches
October 31	1991	1.6 inches
October 31	1973	2.4 inches
October 31	1971	1.0 inches
November 1	1991	0.3 inches
November 5	1973	3.0 inches
November 7	1968	0.5 inches
November 10	1985	0.8 inches
November 11	1955	0.2 inches
November 12	1955	2.0 inches
November 13	2014	1.3 inches
November 13	1955	2.0 inches
November 14	1980	0.5 inches
November 14	1955	0.3 inches
November 15	1959	2.0 inches
November 15	1958	0.6 inches
November 16	1955	0.3 inches
November 17	1985	0.2 inches
November 17	1955	0.3 inches

Latest Snowfalls

Date	Year	Snowfall
April 15	1959	0.5 inches
April 6	1950	1.0 inches
March 31	1976	0.5 inches
March 30	1982	1.4 inches
March 28	1967	1.0 inches
March 26	1991	0.3 inches
March 25	1965	0.1 inches
March 23	1990	3.0 inches
March 23	1964	0.1 inches
March 21	2012	1.1 inches
March 21	1966	4.0 inches
March 21	1957	0.1 inches
March 20	1952	0.4 inches
March 19	1994	0.1 inches
March 19	1982	1.2 inches
March 19	1952	1.6 inches
March 18	1982	3.8 inches
March 17	1958	2.1 inches
March 17	1954	2.0 inches
March 16	1989	2.0 inches