Earliest and Latest Snowfalls in Ottawa History

This is a list of the earliest and latest times in the year when snow was recorded in Ottawa, Kansas. It is based on NOAA data from the years 1895–2024.

What's the Earliest it has Snowed in Ottawa?

The earliest in the season it has snowed in Ottawa, Kansas is October 17 which happened in 1898.

What's the Latest it has Snowed in Ottawa?

The latest in the season it has snowed in Ottawa, Kansas is April 30 which happened in 1960.

Earliest Snowfalls

Date	Year	Snowfall
October 17	1898	0.4 inches
October 24	1908	0.2 inches
October 26	2020	0.2 inches
October 26	1913	0.5 inches
October 27	2020	0.4 inches
October 28	1925	3.5 inches
October 28	1913	2.0 inches
October 31	2019	1.0 inches
November 1	1951	0.7 inches
November 5	1959	1.0 inches
November 6	1992	1.5 inches
November 7	1992	1.5 inches
November 7	1991	0.5 inches
November 7	1953	2.0 inches
November 7	1938	0.1 inches
November 7	1925	2.0 inches
November 8	1943	1.0 inches
November 9	2018	2.0 inches
November 9	1960	0.2 inches
November 11	1995	0.5 inches

Latest Snowfalls

Date	Year	Snowfall
April 30	1960	0.5 inches
April 21	2021	1.0 inches
April 17	1944	0.1 inches
April 16	1921	0.5 inches
April 16	1907	1.2 inches
April 15	1905	0.5 inches
April 13	1951	0.3 inches
April 13	1933	0.5 inches
April 12	1957	5.0 inches
April 12	1951	0.3 inches
April 11	1940	0.2 inches
April 10	1956	2.0 inches
April 10	1914	2.0 inches
April 9	1973	0.2 inches
April 9	1961	3.0 inches
April 9	1959	2.0 inches
April 9	1956	1.0 inches
April 8	1957	0.5 inches
April 8	1938	8.0 inches
April 8	1904	0.2 inches