Number of Days of 100 °F in Riverton by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Riverton, Wyoming, between 1907 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 1988 holds the record for the most 100 °F days in Riverton history. There were 7 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Riverton so far in 2024. As of April 25, the highest temperature this year is 77 °F.

The last time it reached at least 100° F was July 18, 2022.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	41	0
2023	41	0
2022	22	1
2021	3	5
2020	41	0
2019	41	0
2018	41	0
2017	41	0
2016	41	0
2015	41	0
2014	41	0
2013	41	0
2012	13	2
2011	41	0
2010	41	0
2009	41	0
2008	41	0
2007	7	3
2006	5	4
2005	5	4
2004	41	0
2003	7	3
2002	7	3
2001	13	2
2000	13	2
1999	41	0
1998	22	1
1997	41	0
1996	41	0
1995	41	0
1994	22	1
1993	41	0
1992	41	0
1991	7	3
1990	2	6
1989	13	2
1988	1	7
1987	41	0
1986	22	1
1985	41	0
1984	41	0
1983	41	0
1982	13	2
1981	22	1
1980	41	0
1979	13	2
1978	22	1
1977	41	0
1976	13	2
1975	41	0
1974	41	0
1973	22	1
1972	41	0
1971	41	0
1970	22	1
1969	22	1
1968	41	0
1967	41	0
1966	22	1
1965	41	0
1964	7	3
1963	41	0
1962	41	0
1961	22	1
1960	7	3
1959	22	1
1958	41	0
1957	41	0
1956	22	1
1955	41	0
1954	3	5
1953	22	1
1952	41	0
1951	22	1
1950	41	0
1949	13	2
1948	41	0
1947	41	0
1946	41	0
1945	41	0
1944	41	0
1943	41	0
1942	41	0
1941	41	0
1940	22	1
1939	13	2
1938	41	0
1937	41	0
1936	41	0
1935	41	0
1934	41	0
1933	41	0
1932	41	0
1931	22	1
1930	41	0
1929	41	0
1928	41	0
1927	41	0
1926	41	0
1925	22	1
1924	41	0
1923	41	0
1922	41	0
1921	41	0
1920	41	0
1919	22	1
1918	41	0
1917	41	0
1916	41	0
1915	41	0
1914	41	0
1913	41	0
1912	41	0
1911	41	0
1910	41	0
1909	41	0
1908	41	0
1907	41	0

Weather Station Details

Years	Station	Coordinates
1907–2024	Riverton	location