Earliest and Latest Days of 80° F in Riverton

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in Riverton, Wyoming history. It is based on NOAA data from the years 1907–2024.

Also see:

Earliest 80 degree day in Riverton?

The earliest in the year that Riverton, Wyoming had a high temperature of at least 80 °F is April 10 which happened in 1996.

Latest 80 degree day in Riverton?

The latest in the year that Riverton, Wyoming had a high temperature of at least 80 °F is October 22 which happened in 2003.

Earliest Days ≥ 80 °F

Date	Year	Temperature
April 10	1996	80 °F
April 12	2012	82 °F
April 15	2002	80 °F
April 15	1985	82 °F
April 16	1985	80 °F
April 16	1962	82 °F
April 17	1985	86 °F
April 18	1994	83 °F
April 18	1987	83 °F
April 18	1984	80 °F
April 19	2001	80 °F
April 19	1985	80 °F
April 19	1980	80 °F
April 19	1962	81 °F
April 19	1946	82 °F
April 19	1910	80 °F
April 20	1980	81 °F
April 20	1962	85 °F
April 21	1989	83 °F
April 21	1980	83 °F
April 21	1962	84 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
October 22	2003	81 °F
October 19	2003	80 °F
October 19	1955	80 °F
October 19	1947	80 °F
October 17	1991	85 °F
October 16	1991	81 °F
October 16	1958	80 °F
October 16	1926	80 °F
October 15	1964	80 °F
October 15	1950	82 °F
October 14	1996	80 °F
October 14	1984	81 °F
October 14	1958	80 °F
October 14	1950	80 °F
October 13	1992	81 °F
October 13	1991	82 °F
October 13	1958	80 °F
October 13	1950	81 °F
October 12	1996	82 °F
October 12	1995	80 °F
October 12	1991	83 °F
October 12	1950	80 °F
October 12	1918	82 °F