Weather on March 20
Riverside, CA
55 Years of Data
Avg High
74°F
Avg Low
47°F
Warmest
2026
82°F avg
Coldest
2006
48°F avg
About This Date
March 20th in Riverside, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 47°F — a 27°F daily swing. Over 56 years of records, the warmest March 20th was in 2026 (82°F average), while the coldest was 2006 (48°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 20th dates historically, with the wettest March 20th recording 1.96" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 20th in Riverside, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 102° | 63° | 82° | — | — |
| 2025 | 76° | 48° | 62° | — | — |
| 2024 | 74° | 49° | 61° | — | — |
| 2023 | 62° | 51° | 57° | — | — |
| 2022 | 72° | 52° | 62° | 0.05" | — |
| 2021 | 68° | 50° | 59° | — | — |
| 2020 | 64° | 46° | 55° | 0.03" | — |
| 2019 | 65° | 49° | 57° | — | — |
| 2018 | 76° | 50° | 63° | — | — |
| 2017 | 71° | 53° | 62° | — | — |
| 2016 | 80° | 50° | 65° | — | — |
| 2015 | 86° | 53° | 70° | — | — |
| 2014 | 80° | 49° | 64° | — | — |
| 2013 | 73° | 51° | 62° | — | — |
| 2012 | 73° | 41° | 57° | — | — |
| 2011 | 58° | 48° | 53° | 1.91" | — |
| 2010 | 85° | 49° | 67° | — | — |
| 2009 | 75° | 48° | 62° | — | — |
| 2008 | 74° | 45° | 59° | — | — |
| 2007 | 64° | 47° | 55° | 0.03" | — |
| 2006coldest | 59° | 38° | 48° | 0.3" | — |
| 2005 | 67° | 47° | 57° | 0.03" | — |
| 2004 | 88° | 51° | 69° | — | — |
| 2003 | 65° | 41° | 53° | — | — |
| 2002 | 87° | 39° | 63° | — | — |
| 2001 | 85° | 50° | 67° | — | — |
| 2000 | 66° | 50° | 58° | — | — |
| 1999 | 60° | 41° | 51° | 0.03" | — |
| 1998 | 79° | 47° | 63° | — | — |
| 1997 | 97° | 52° | 74° | — | — |
| 1996 | 88° | 49° | 68° | — | — |
| 1995 | 69° | 58° | 63° | — | — |
| 1994 | 71° | 54° | 62° | 1.52" | — |
| 1993 | 85° | 49° | 67° | — | — |
| 1992 | 66° | 52° | 59° | 0.3" | — |
| 1991 | 55° | 44° | 50° | 1.96" | — |
| 1990 | 90° | 56° | 73° | — | — |
| 1989 | 82° | 50° | 66° | — | — |
| 1988 | 91° | 45° | 68° | — | — |
| 1987 | 69° | 39° | 54° | — | — |
| 1986 | 84° | 41° | 63° | — | — |
| 1985 | 79° | 41° | 60° | — | — |
| 1984 | 90° | 46° | 68° | — | — |
| 1983 | 62° | 46° | 54° | — | — |
| 1982 | 68° | 35° | 52° | — | — |
| 1981 | 65° | 48° | 56° | 1.09" | — |
| 1980 | 74° | 42° | 58° | — | — |
| 1979 | 64° | 43° | 53° | 0.25" | — |
| 1978 | 69° | 53° | 61° | — | — |
| 1977 | 72° | 39° | 55° | — | — |
| 1976 | 77° | 40° | 58° | — | — |
| 1975 | 73° | 45° | 59° | — | — |
| 1974 | 62° | 51° | 57° | — | — |
| 1973 | 58° | 47° | 52° | 1.57" | — |
| 1972 | 68° | 53° | 61° | — | — |
| 1971 | 77° | 38° | 57° | — | — |
56 years of data from RIVERSIDE MUNI AP