Earliest and Latest Days of 100° F in Billings

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Billings, Montana history. It is based on NOAA data from the years 1894–2024.

Also see:

Earliest 100 degree day in Billings?

The earliest in the year that Billings, Montana had a high temperature of at least 100 °F is June 4 which happened in 1988.

Latest 100 degree day in Billings?

The latest in the year that Billings, Montana had a high temperature of at least 100 °F is September 7 which has happened twice, most recently in 2022.

Earliest Days ≥ 100 °F

Date	Year	Temperature
June 4	1988	101 °F
June 5	1988	102 °F
June 8	1900	100 °F
June 9	1902	100 °F
June 10	1918	102 °F
June 11	1918	100 °F
June 13	1918	100 °F
June 14	2021	103 °F
June 14	1918	106 °F
June 15	2021	105 °F
June 16	1933	102 °F
June 16	1931	102 °F
June 17	1933	102 °F
June 19	1989	100 °F
June 19	1910	100 °F
June 20	1988	103 °F
June 20	1910	103 °F
June 20	1900	101 °F
June 21	1919	104 °F
June 21	1900	108 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 7	2022	102 °F
September 7	1908	100 °F
September 5	2020	102 °F
September 4	2022	100 °F
September 4	1950	100 °F
September 4	1931	100 °F
September 4	1922	100 °F
September 3	2022	101 °F
September 1	1983	103 °F
August 31	1955	101 °F
August 31	1940	100 °F
August 31	1929	100 °F
August 30	1954	100 °F
August 30	1948	100 °F
August 28	1924	102 °F
August 28	1905	101 °F
August 27	2011	100 °F
August 27	1922	102 °F
August 26	1926	101 °F
August 26	1909	101 °F
August 26	1905	100 °F