Earliest and Latest Days of 100° F in Twin Falls

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Twin Falls, Idaho history. It is based on NOAA data from the years 1925–2024.

Also see:

Earliest 100 degree day in Twin Falls?

The earliest in the year that Twin Falls, Idaho had a high temperature of at least 100 °F is May 28 which happened in 2003.

Latest 100 degree day in Twin Falls?

The latest in the year that Twin Falls, Idaho had a high temperature of at least 100 °F is September 7 which happened in 2022.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 28	2003	100 °F
June 13	2021	100 °F
June 13	1959	100 °F
June 15	1974	102 °F
June 17	1974	101 °F
June 18	1940	101 °F
June 19	1940	104 °F
June 21	1937	101 °F
June 23	1961	100 °F
June 25	1926	100 °F
June 26	1926	104 °F
June 27	2015	102 °F
June 27	1926	101 °F
June 27	1925	100 °F
June 28	2015	101 °F
June 28	2013	100 °F
June 29	2013	103 °F
June 30	2013	101 °F
June 30	1976	100 °F
July 1	2013	102 °F
July 1	1950	100 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 7	2022	100 °F
September 6	2022	102 °F
September 6	1955	101 °F
August 31	2022	101 °F
August 30	1948	100 °F
August 26	2010	100 °F
August 24	1926	100 °F
August 17	1932	100 °F
August 15	2013	102 °F
August 14	2015	101 °F
August 14	1933	100 °F
August 14	1929	103 °F
August 13	1933	101 °F
August 12	1972	102 °F
August 12	1940	100 °F
August 10	2018	101 °F
August 10	1928	106 °F
August 9	2018	100 °F
August 9	2000	100 °F
August 9	1928	100 °F