Earliest and Latest Days at or Below 32° F in Winthrop

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 32 °F in Winthrop, Washington history. It is based on NOAA data from the years 1906–2024.

Earliest freezing temperature in Winthrop?

The earliest in a winter season that Winthrop, Washington has recorded a low temperature of 32 °F or below is July 2 which happened in 1979.

Latest freezing temperature in Winthrop?

The latest in a winter season that Winthrop, Washington has recorded a low temperature of 32 °F or below is June 28 which has happened twice, most recently in 1975.

Earliest Days ≤ 32 °F

Date	Year	Temperature
July 2	1979	32 °F
July 8	1981	31 °F
August 10	1985	32 °F
August 19	1973	32 °F
August 24	1910	28 °F
August 25	1910	28 °F
August 26	1910	29 °F
August 29	1984	32 °F
August 29	1980	30 °F
August 29	1969	32 °F
August 30	1965	32 °F
September 1	1964	31 °F
September 2	1984	32 °F
September 2	1960	32 °F
September 3	1980	30 °F
September 3	1958	32 °F
September 3	1929	31 °F
September 4	1962	32 °F
September 4	1956	32 °F
September 4	1912	32 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
June 28	1975	32 °F
June 28	1968	32 °F
June 27	1975	32 °F
June 18	1960	31 °F
June 18	1954	30 °F
June 15	2016	32 °F
June 15	1968	32 °F
June 14	1968	31 °F
June 14	1923	32 °F
June 13	1952	28 °F
June 12	1919	32 °F
June 11	1981	32 °F
June 11	1933	31 °F
June 11	1919	30 °F
June 10	1933	32 °F
June 10	1919	32 °F
June 9	1999	32 °F
June 9	1933	31 °F
June 7	2012	31 °F
June 7	2002	32 °F
June 7	1999	31 °F
June 7	1960	31 °F