Weather on March 31
Riverside, CA
55 Years of Data
Avg High
75°F
Avg Low
47°F
Warmest
2011
76°F avg
Coldest
1977
49°F avg
About This Date
March 31st in Riverside, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 47°F — a 28°F daily swing. Over 56 years of records, the warmest March 31st was in 2011 (76°F average), while the coldest was 1977 (49°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 11% of March 31st dates historically, with the wettest March 31st recording 1.8" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Riverside, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 59° | 65° | 0.2" | — |
| 2025 | 71° | 53° | 62° | 0.08" | — |
| 2024 | 54° | 48° | 51° | 0.79" | — |
| 2023 | 65° | 40° | 52° | — | — |
| 2022 | 66° | 55° | 61° | — | — |
| 2021 | 87° | 53° | 70° | — | — |
| 2020 | 79° | 50° | 64° | — | — |
| 2019 | 84° | 51° | 68° | — | — |
| 2018 | 83° | 54° | 68° | — | — |
| 2017 | 72° | 46° | 59° | — | — |
| 2016 | 74° | 44° | 59° | — | — |
| 2015 | 83° | 54° | 68° | — | — |
| 2014 | 70° | 46° | 58° | — | — |
| 2013 | 72° | 53° | 62° | — | — |
| 2012 | 62° | 51° | 57° | 0.03" | — |
| 2011warmest | 97° | 56° | 76° | — | — |
| 2010 | 63° | 45° | 54° | — | — |
| 2009 | 76° | 43° | 59° | — | — |
| 2008 | 75° | 45° | 60° | — | — |
| 2007 | 82° | 41° | 62° | — | — |
| 2006 | 60° | 48° | 54° | — | — |
| 2005 | 75° | 44° | 60° | — | — |
| 2004 | 75° | 46° | 61° | — | — |
| 2003 | 87° | 45° | 66° | — | — |
| 2002 | 82° | 46° | 64° | — | — |
| 2001 | 78° | 52° | 65° | — | — |
| 2000 | 79° | 48° | 63° | — | — |
| 1999 | 61° | 45° | 53° | — | — |
| 1998 | 60° | 42° | 51° | — | — |
| 1997 | 69° | 54° | 61° | — | — |
| 1996 | 78° | 43° | 60° | — | — |
| 1995 | 80° | 35° | 58° | — | — |
| 1994 | 82° | 51° | 67° | — | — |
| 1993 | 77° | 48° | 63° | — | — |
| 1992 | 68° | 53° | 61° | — | — |
| 1991 | 78° | 45° | 61° | — | — |
| 1990 | 73° | 47° | 60° | — | — |
| 1989 | 91° | 53° | 72° | — | — |
| 1988 | 76° | 52° | 64° | — | — |
| 1987 | 89° | 44° | 67° | — | — |
| 1986 | 80° | 52° | 66° | — | — |
| 1985 | 86° | 40° | 63° | — | — |
| 1984 | 68° | 44° | 56° | — | — |
| 1983 | 76° | 49° | 62° | — | — |
| 1982 | 63° | 38° | 50° | — | — |
| 1981 | 80° | 44° | 62° | — | — |
| 1980 | 72° | 51° | 61° | — | — |
| 1979 | 74° | 41° | 57° | — | — |
| 1978 | 69° | 52° | 60° | 1.8" | — |
| 1977coldest | 62° | 36° | 49° | 0.15" | — |
| 1976 | 81° | 44° | 62° | — | — |
| 1975 | 70° | 40° | 55° | — | — |
| 1974 | 70° | 46° | 58° | — | — |
| 1973 | 63° | 41° | 52° | — | — |
| 1972 | 81° | 38° | 59° | — | — |
| 1971 | 81° | 49° | 65° | — | — |
56 years of data from RIVERSIDE MUNI AP