All-time weather records — Moreno Valley, CA

Record high
116.1°F
September 6, 2020
Record low
17.1°F
December 21, 1968
Wettest day
2.31 in
January 26, 1956

Climate change signal in Moreno Valley

45.9%

of Moreno Valley's all-time daily heat records were set in the last decade (168 of 366 records since 2015).

18.6%

of all-time daily cold records were set in the last decade (68 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1940s
9
15
1950s
79
51
1960s
62
161
1970s
7
24
2010s
104
79
2020s
105
36

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1949, the latest in 2026. Period of observation: 1949-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 86.0°F — Jan 4, 2012 18.0°F — Jan 14, 1963 2.31 in — Jan 26, 1956
February 88.0°F — Feb 27, 2026 19.2°F — Feb 5, 2020 2.09 in — Feb 25, 1969
March 100.0°F — Mar 20, 2026 25.0°F — Mar 30, 1967 1.88 in — Mar 12, 2020
April 97.0°F — Apr 3, 1961 27.0°F — Apr 29, 1970 1.57 in — Apr 1, 1965
May 102.9°F — May 21, 1967 33.1°F — May 1, 1967 0.49 in — May 11, 1957
June 111.0°F — Jun 20, 2016 41.0°F — Jun 1, 1967 0.16 in — Jun 9, 1957
July 111.9°F — Jul 6, 2018 48.9°F — Jul 3, 1968 1.04 in — Jul 28, 1968
August 109.9°F — Aug 15, 2020 50.0°F — Aug 6, 1950 2.27 in — Aug 30, 2012
September 116.1°F — Sep 6, 2020 43.0°F — Sep 24, 2017 1.94 in — Sep 17, 1963
October 108.0°F — Oct 2, 2024 31.1°F — Oct 5, 2012 0.76 in — Oct 12, 2018
November 93.0°F — Nov 4, 2020 26.1°F — Nov 17, 1958 2.10 in — Nov 22, 1965
December 90.0°F — Dec 10, 1950 17.1°F — Dec 21, 1968 1.88 in — Dec 3, 1966

Click a month to see every daily record for that month in Moreno Valley.