Riverside - Highest Temperature for Each Year





Here's where you'll find answers to questions about the highest temperatures and hottest days in Riverside, California. How hot did it get in 2017? When was the last time thermometers in Riverside rose above 110 °F? What was the highest temperature in Riverside a century ago? Answers to those questions and much more can be found quickly and easily in the list below of record high temperatures.

This page gives the highest temperature for each year in Riverside and the date that it happened. A date with a plus sign beside it means it was that hot on at least one other day earlier that year.

These records go back to 1902, with some years lacking data. The highest temperature recorded during that time there was 118 degrees Fahrenheit (48 Celsius) on July 17, 1925 and June 16, 1917.

Since 1999 the temperature extremes were measured at the Riverside Municipal Airport. Before then, the weather station was near downtown Riverside.

Highest Riverside temperatures in recent years
Max °F Date Max °C
112 September 01, 2017 + 44
114 June 20, 2016 46
108 August 15, 2015 42
108 September 16, 2014 + 42
2013
107 October 01, 2012 42
108 August 27, 2011 42
2010
Highest temperature recorded at Riverside each year
Max °F Date Max °C
108 August 29, 2009 + 42
2008
2007
113 July 22, 2006 45
103 August 28, 2005 + 39
105 September 01, 2004 41
106 September 21, 2003 + 41
110 September 01, 2002 43
108 September 30, 2001 42
2000
105 August 25, 1999 41
112 August 29, 1998 44
113 August 05, 1997 45
107 October 07, 1996 + 42
112 July 27, 1995 44
110 August 12, 1994 43
109 June 24, 1993 43
1992
106 October 10, 1991 41
111 June 26, 1990 44
1989
111 September 03, 1988 44
108 October 04, 1987 42
105 August 20, 1986 + 41
110 August 25, 1985 43
111 September 05, 1984 44
109 August 06, 1983 43
111 September 02, 1982 44
110 August 27, 1981 43
109 October 01, 1980 + 43
111 September 09, 1979 44
108 July 15, 1978 42
106 July 26, 1977 41
109 June 27, 1976 43
105 August 07, 1975 41
106 June 28, 1974 41
109 June 21, 1973 43
109 July 31, 1972 + 43
113 September 13, 1971 45
106 August 07, 1970 + 41
107 August 22, 1969 + 42
105 September 09, 1968 41
1967
103 September 23, 1966 39
106 August 09, 1965 41
104 August 08, 1964 + 40
106 September 28, 1963 + 41
104 August 25, 1962 + 40
1961
110 July 20, 1960 43
111 July 24, 1959 44
107 July 10, 1958 42
108 July 04, 1957 42
108 August 23, 1956 42
115 September 06, 1955 46
106 July 16, 1954 41
1953
103 September 05, 1952 39
106 September 14, 1951 41
108 August 18, 1950 42
109 September 24, 1949 + 43
109 September 10, 1948 + 43
107 September 01, 1947 + 42
108 September 13, 1946 42
105 September 04, 1945 + 41
112 August 26, 1944 44
1943
108 May 20, 1942 42
104 August 13, 1941 40
107 August 20, 1940 42
107 September 22, 1939 + 42
109 September 14, 1938 43
107 September 16, 1937 42
112 July 18, 1936 44
108 July 16, 1935 42
1934
111 July 27, 1933 44
1932
108 August 24, 1931 42
1930
1929
1928
110 July 18, 1927 43
113 August 24, 1926 45
118 July 17, 1925 48
106 September 29, 1924 + 41
108 September 08, 1923 42
112 September 17, 1922 44
111 September 27, 1921 44
106 August 13, 1920 + 41
106 July 23, 1919 41
110 August 03, 1918 43
118 June 16, 1917 48
105 September 14, 1916 + 41
108 August 19, 1915 + 42
104 June 26, 1914 40
111 September 17, 1913 44
106 September 18, 1912 41
110 August 31, 1911 43
110 September 09, 1910 43
107 August 29, 1909 42
108 July 31, 1908 42
1907
105 August 14, 1906 + 41
106 August 29, 1905 41
110 September 07, 1904 43
105 August 18, 1903 41
105 June 23, 1902 41
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

Riverside - Extremes
Back to Top