Earliest and Latest Days of 100° F in Lamar

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Lamar, Colorado history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 100 degree day in Lamar?

The earliest in the year that Lamar, Colorado had a high temperature of at least 100 °F is May 8 which happened in 1963.

Latest 100 degree day in Lamar?

The latest in the year that Lamar, Colorado had a high temperature of at least 100 °F is September 28 which happened in 1921.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 8	1963	101 °F
May 12	1962	100 °F
May 17	1927	103 °F
May 19	1996	101 °F
May 19	1925	100 °F
May 20	1925	103 °F
May 21	1925	103 °F
May 22	2005	103 °F
May 22	1964	101 °F
May 24	1989	100 °F
May 24	1967	100 °F
May 25	1967	100 °F
May 26	1942	102 °F
May 26	1927	101 °F
May 27	2013	100 °F
May 27	1895	100 °F
May 28	1974	100 °F
May 29	1989	100 °F
May 30	2011	102 °F
May 30	2003	102 °F
May 30	2000	102 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 28	1921	100 °F
September 27	1935	102 °F
September 24	1924	100 °F
September 22	1935	100 °F
September 21	1926	103 °F
September 20	2018	101 °F
September 20	1926	101 °F
September 19	1980	101 °F
September 19	1935	102 °F
September 18	2000	100 °F
September 18	1895	103 °F
September 17	1922	100 °F
September 17	1895	104 °F
September 16	1990	100 °F
September 16	1910	100 °F
September 16	1895	102 °F
September 15	1896	100 °F
September 14	2004	100 °F
September 13	2004	100 °F
September 13	1931	100 °F
September 13	1922	101 °F
September 13	1911	101 °F
September 13	1895	102 °F