Weather on April 21
Chico, CA
55 Years of Data
Avg High
74°F
Avg Low
47°F
Warmest
2009
77°F avg
Coldest
2001
46°F avg
About This Date
April 21st in Chico, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 47°F — a 27°F daily swing. Over 55 years of records, the warmest April 21st was in 2009 (77°F average), while the coldest was 2001 (46°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 16% of April 21st dates historically, with the wettest April 21st recording 2.08" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for April 21st in Chico, CA? Great weather for outdoor activities.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 63° | 70° | — | — |
| 2024 | 80° | 62° | 71° | — | — |
| 2023 | 71° | 44° | 58° | — | — |
| 2022 | 61° | 49° | 55° | 0.48" | — |
| 2021 | 78° | 54° | 66° | — | — |
| 2020 | 76° | 49° | 62° | — | — |
| 2019 | 74° | 51° | 62° | — | — |
| 2018 | 83° | 43° | 63° | — | — |
| 2017 | 71° | 47° | 59° | — | — |
| 2016 | 82° | 49° | 65° | — | — |
| 2015 | 88° | 51° | 69° | — | — |
| 2014 | 70° | 55° | 62° | — | — |
| 2013 | 88° | 44° | 66° | — | — |
| 2012 | 92° | 56° | 74° | — | — |
| 2011 | 70° | 46° | 58° | 0.15" | — |
| 2010 | 80° | 42° | 61° | — | — |
| 2009warmest | 96° | 57° | 77° | — | — |
| 2008 | 82° | 32° | 57° | — | — |
| 2007 | 58° | 48° | 53° | — | — |
| 2006 | 76° | 47° | 61° | — | — |
| 2005 | 81° | 44° | 62° | — | — |
| 2004 | 61° | 52° | 56° | — | — |
| 2003 | 76° | 35° | 55° | — | — |
| 2002 | 78° | 40° | 59° | — | — |
| 2001coldest | 50° | 42° | 46° | 2.08" | — |
| 2000 | 76° | 47° | 61° | — | — |
| 1999 | 81° | 45° | 63° | — | — |
| 1998 | 85° | 51° | 68° | — | — |
| 1997 | 74° | 58° | 66° | 0.1" | — |
| 1996 | 62° | 40° | 51° | — | — |
| 1995 | 70° | 38° | 54° | — | — |
| 1994 | 83° | 54° | 68° | — | — |
| 1993 | 69° | 51° | 60° | — | — |
| 1992 | 80° | 55° | 68° | — | — |
| 1991 | 60° | 41° | 51° | 0.15" | — |
| 1990 | 78° | 49° | 63° | — | — |
| 1989 | 80° | 54° | 67° | 0.18" | — |
| 1988 | 63° | 46° | 54° | 0.03" | — |
| 1987 | 83° | 45° | 64° | — | — |
| 1986 | 80° | 56° | 68° | — | — |
| 1985 | 66° | 40° | 53° | — | — |
| 1984 | 58° | 45° | 51° | — | — |
| 1983 | 70° | 49° | 59° | 0.05" | — |
| 1982 | 80° | 41° | 61° | — | — |
| 1981 | 67° | 49° | 58° | — | — |
| 1980 | 63° | 44° | 53° | 0.91" | — |
| 1979 | 66° | 46° | 56° | — | — |
| 1978 | 60° | 34° | 47° | — | — |
| 1977 | 80° | 47° | 63° | — | — |
| 1976 | 82° | 42° | 62° | — | — |
| 1975 | 72° | 42° | 57° | — | — |
| 1974 | 75° | 44° | 60° | — | — |
| 1973 | 79° | 39° | 59° | — | — |
| 1972 | 76° | 44° | 60° | — | — |
| 1971 | 62° | 32° | 47° | — | — |
55 years of data from CHICO UNIV FARM