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

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 Thermopolis, Wyoming history. It is based on NOAA data from the years 1899–2024.

Earliest freezing temperature in Thermopolis?

The earliest in a winter season that Thermopolis, Wyoming has recorded a low temperature of 32 °F or below is August 15 which happened in 1938.

Latest freezing temperature in Thermopolis?

The latest in a winter season that Thermopolis, Wyoming has recorded a low temperature of 32 °F or below is June 29 which happened in 1954.

Earliest Days ≤ 32 °F

Date	Year	Temperature
August 15	1938	32 °F
August 25	1910	23 °F
August 26	1910	27 °F
August 29	1920	25 °F
August 30	1910	29 °F
August 31	1932	28 °F
August 31	1920	25 °F
August 31	1910	31 °F
August 31	1908	30 °F
September 1	1932	32 °F
September 1	1920	29 °F
September 1	1908	31 °F
September 6	1929	32 °F
September 8	2020	32 °F
September 8	1962	31 °F
September 8	1922	30 °F
September 8	1910	30 °F
September 9	2020	31 °F
September 9	1962	28 °F
September 9	1951	32 °F
September 9	1922	28 °F
September 9	1903	32 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
June 29	1954	32 °F
June 25	1953	32 °F
June 25	1904	32 °F
June 24	1904	30 °F
June 21	1926	31 °F
June 17	1912	32 °F
June 13	1930	32 °F
June 13	1917	32 °F
June 11	1904	32 °F
June 10	1938	32 °F
June 9	1951	32 °F
June 9	1950	32 °F
June 9	1904	32 °F
June 8	1954	31 °F
June 7	1954	30 °F
June 7	1916	29 °F
June 7	1914	32 °F
June 6	1957	32 °F
June 6	1916	31 °F
June 4	1951	28 °F