Weather on March 21
Chico, CA
55 Years of Data
Avg High
68°F
Avg Low
45°F
Warmest
2026
75°F avg
Coldest
2006
45°F avg
About This Date
March 21st in Chico, CA typically brings mild spring weather, with average highs around 68°F and lows near 45°F. Over 56 years of records, the warmest March 21st was in 2026 (75°F average), while the coldest was 2006 (45°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 25% of March 21st dates historically, with the wettest March 21st recording 4.14" 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 21st in Chico, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 80° | 69° | 75° | — | — |
| 2025 | 66° | 45° | 55° | — | — |
| 2024 | 66° | 51° | 59° | — | — |
| 2023 | 57° | 46° | 52° | 0.97" | — |
| 2022 | 76° | 54° | 65° | — | — |
| 2021 | 62° | 44° | 53° | — | — |
| 2020 | 64° | 48° | 56° | — | — |
| 2019 | 63° | 43° | 53° | 0.25" | — |
| 2018 | 57° | 47° | 52° | 2.03" | — |
| 2017 | 64° | 53° | 59° | 2.44" | — |
| 2016 | 75° | 46° | 61° | 0.71" | — |
| 2015 | 69° | 53° | 61° | — | — |
| 2014 | 75° | 41° | 58° | — | — |
| 2013 | 67° | 44° | 55° | — | — |
| 2012 | 60° | 32° | 46° | — | — |
| 2011 | 59° | 41° | 50° | 4.14" | — |
| 2010 | 69° | 46° | 58° | — | — |
| 2009 | 58° | 50° | 54° | — | — |
| 2008 | 69° | 37° | 53° | — | — |
| 2007 | 74° | 47° | 60° | — | — |
| 2006coldest | 48° | 43° | 45° | 1.02" | — |
| 2005 | 64° | 51° | 58° | — | — |
| 2004 | 85° | 45° | 65° | — | — |
| 2003 | 67° | 43° | 55° | — | — |
| 2002 | 72° | 41° | 56° | — | — |
| 2001 | 80° | 51° | 66° | — | — |
| 2000 | 70° | 37° | 53° | — | — |
| 1999 | 62° | 43° | 52° | 0.1" | — |
| 1998 | 72° | 50° | 61° | — | — |
| 1997 | 73° | 57° | 65° | — | — |
| 1996 | 78° | 43° | 60° | — | — |
| 1995 | 58° | 43° | 50° | 1.02" | — |
| 1994 | 70° | 40° | 55° | — | — |
| 1993 | 72° | 42° | 57° | — | — |
| 1992 | 66° | 42° | 54° | — | — |
| 1991 | 57° | 41° | 49° | — | — |
| 1990 | 80° | 45° | 62° | — | — |
| 1989 | 73° | 48° | 61° | — | — |
| 1988 | 80° | 52° | 66° | — | — |
| 1987 | 56° | 36° | 46° | 2.24" | — |
| 1986 | 73° | 43° | 58° | — | — |
| 1985 | 65° | 41° | 53° | — | — |
| 1984 | 79° | 45° | 62° | — | — |
| 1983 | 67° | 37° | 52° | 2.31" | — |
| 1982 | 58° | 36° | 47° | — | — |
| 1981 | 58° | — | — | — | — |
| 1980 | 61° | 35° | 48° | — | — |
| 1979 | 68° | 39° | 54° | — | — |
| 1978 | 72° | 54° | 63° | 0.23" | — |
| 1977 | 71° | 37° | 54° | — | — |
| 1976 | 69° | 44° | 57° | — | — |
| 1975 | 56° | 40° | 48° | 0.1" | — |
| 1974 | 75° | 42° | 59° | — | — |
| 1973 | 52° | 41° | 46° | 1.83" | — |
| 1972 | 74° | 49° | 61° | — | — |
| 1971 | 74° | 43° | 58° | — | — |
56 years of data from CHICO UNIV FARM