Earliest and Latest Snowfalls in Ketchum History

This is a list of the earliest and latest times in the year when snow was recorded in Ketchum, Idaho. It is based on NOAA data from the years 1937–2024.

What's the Earliest it has Snowed in Ketchum?

The earliest in the season it has snowed in Ketchum, Idaho is September 16 which happened in 1965.

What's the Latest it has Snowed in Ketchum?

The latest in the season it has snowed in Ketchum, Idaho is May 27 which happened in 1998.

Earliest Snowfalls

Date	Year	Snowfall
September 16	1965	1.0 inches
September 18	1978	3.0 inches
September 21	1968	1.0 inches
September 22	2000	0.3 inches
September 22	1961	1.0 inches
September 23	1961	1.0 inches
September 26	1948	1.5 inches
September 29	1954	2.0 inches
September 29	1950	1.0 inches
September 29	1940	1.7 inches
September 30	1971	1.0 inches
September 30	1954	1.5 inches
September 30	1950	0.5 inches
October 1	1950	0.5 inches
October 5	2017	4.0 inches
October 5	2009	2.0 inches
October 7	1949	1.5 inches
October 8	1985	2.0 inches
October 8	1949	1.0 inches
October 9	1997	2.0 inches

Latest Snowfalls

Date	Year	Snowfall
May 27	1998	0.5 inches
May 19	1991	2.0 inches
May 16	1983	1.0 inches
May 16	1955	6.0 inches
May 15	1955	3.0 inches
May 14	1955	4.0 inches
May 13	1998	0.3 inches
May 13	1951	1.0 inches
May 12	1970	4.0 inches
May 12	1958	2.0 inches
May 12	1942	4.0 inches
May 11	1982	1.5 inches
May 10	1983	1.0 inches
May 10	1970	3.0 inches
May 9	2022	3.0 inches
May 7	1977	2.0 inches
May 7	1965	2.0 inches
May 6	1986	3.0 inches
May 6	1977	1.0 inches
May 6	1961	1.0 inches