Weather on October 20
Chico, CA
55 Years of Data
Avg High
78°F
Avg Low
49°F
Warmest
2022
77°F avg
Coldest
1984
48°F avg
About This Date
October 20th in Chico, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 49°F — a 29°F daily swing. Over 55 years of records, the warmest October 20th was in 2022 (77°F average), while the coldest was 1984 (48°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 13% of October 20th dates historically, with the wettest October 20th recording 3.99" of rain. The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Chico, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 64° | 71° | — | — |
| 2024 | 75° | 63° | 69° | — | — |
| 2023 | 84° | 70° | 77° | — | — |
| 2022warmest | 86° | 68° | 77° | — | — |
| 2021 | 66° | 37° | 52° | 1.04" | — |
| 2020 | 90° | 50° | 70° | — | — |
| 2019 | 74° | 54° | 64° | — | — |
| 2018 | 83° | 68° | 75° | — | — |
| 2017 | 71° | 46° | 59° | 1.37" | — |
| 2016 | 77° | 46° | 62° | — | — |
| 2015 | 77° | 62° | 70° | — | — |
| 2014 | 84° | 50° | 67° | — | — |
| 2013 | 85° | 44° | 64° | — | — |
| 2012 | 81° | 51° | 66° | — | — |
| 2011 | 87° | 51° | 69° | — | — |
| 2010 | 86° | 43° | 64° | — | — |
| 2009 | 62° | 41° | 52° | 0.18" | — |
| 2008 | 87° | 43° | 65° | — | — |
| 2007 | 65° | 42° | 53° | — | — |
| 2006 | 90° | 48° | 69° | — | — |
| 2005 | 73° | 44° | 59° | — | — |
| 2004 | 58° | 46° | 52° | 3.99" | — |
| 2003 | 87° | 49° | 68° | — | — |
| 2002 | 79° | 47° | 63° | — | — |
| 2001 | 80° | 48° | 64° | — | — |
| 2000 | 72° | 51° | 61° | — | — |
| 1999 | 85° | 41° | 63° | — | — |
| 1998 | 86° | 43° | 64° | — | — |
| 1997 | 84° | 44° | 64° | — | — |
| 1996 | 66° | 39° | 53° | — | — |
| 1995 | 88° | 52° | 70° | — | — |
| 1994 | 75° | 38° | 56° | — | — |
| 1993 | 79° | 47° | 63° | — | — |
| 1992 | 79° | 48° | 63° | — | — |
| 1991 | 93° | 58° | 75° | — | — |
| 1990 | 66° | 41° | 54° | — | — |
| 1989 | 82° | 53° | 68° | — | — |
| 1988 | — | 50° | — | — | — |
| 1987 | 85° | 42° | 63° | — | — |
| 1986 | 80° | 54° | 67° | — | — |
| 1985 | 70° | 50° | 60° | — | — |
| 1984coldest | 56° | 40° | 48° | 0.18" | — |
| 1983 | — | 51° | — | — | — |
| 1982 | 78° | 47° | 62° | — | — |
| 1981 | 83° | 46° | 64° | — | — |
| 1980 | 70° | 40° | 55° | — | — |
| 1979 | 70° | 45° | 57° | — | — |
| 1978 | 75° | 47° | 61° | — | — |
| 1977 | 80° | 48° | 64° | — | — |
| 1976 | 81° | 43° | 62° | — | — |
| 1975 | 86° | 51° | 69° | — | — |
| 1974 | 85° | 50° | 67° | — | — |
| 1973 | 75° | 53° | 64° | 0.1" | — |
| 1972 | 70° | 52° | 61° | — | — |
| 1971 | 64° | 53° | 59° | 0.18" | — |
55 years of data from CHICO UNIV FARM