Weather on December 20
Chico, CA
55 Years of Data
Avg High
54°F
Avg Low
36°F
Warmest
2023
56°F avg
Coldest
1985
33°F avg
About This Date
December 20th in Chico, CA typically brings cool winter weather, with average highs around 54°F and lows near 36°F. Over 54 years of records, the warmest December 20th was in 2023 (56°F average), while the coldest was 1985 (33°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 19% of December 20th dates historically, with the wettest December 20th recording 4.52" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Chico, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 50° | 52° | — | — |
| 2024 | 60° | 40° | 50° | — | — |
| 2023warmest | 62° | 50° | 56° | — | — |
| 2022 | 52° | 39° | 45° | — | — |
| 2021 | 46° | 36° | 41° | — | — |
| 2020 | 57° | 47° | 52° | — | — |
| 2019 | 58° | 32° | 45° | 2.06" | — |
| 2018 | 53° | 45° | 49° | — | — |
| 2017 | 49° | 37° | 43° | — | — |
| 2016 | 58° | 42° | 50° | — | — |
| 2015 | 40° | 37° | 38° | — | — |
| 2014 | 49° | 47° | 48° | — | — |
| 2013 | 61° | 28° | 44° | — | — |
| 2012 | 49° | 31° | 40° | — | — |
| 2011 | 66° | 26° | 46° | — | — |
| 2010 | 58° | 29° | 43° | — | — |
| 2009 | 53° | 46° | 50° | — | — |
| 2008 | 52° | 29° | 40° | — | — |
| 2007 | 53° | 46° | 50° | — | — |
| 2006 | 51° | 27° | 39° | — | — |
| 2005 | 59° | 46° | 53° | — | — |
| 2004 | 43° | 35° | 39° | — | — |
| 2003 | 52° | 47° | 49° | — | — |
| 2002 | 48° | 44° | 46° | — | — |
| 2001 | 52° | 43° | 47° | 0.69" | — |
| 2000 | 64° | 37° | 51° | — | — |
| 1999 | 75° | 31° | 53° | — | — |
| 1998 | 52° | 31° | 41° | — | — |
| 1997 | 59° | 32° | 46° | — | — |
| 1996 | 52° | 30° | 41° | — | — |
| 1995 | 59° | 31° | 45° | — | — |
| 1994 | 44° | 37° | 41° | — | — |
| 1993 | 56° | 30° | 43° | — | — |
| 1992 | 48° | 32° | 40° | 0.2" | — |
| 1991 | 55° | 31° | 43° | — | — |
| 1990 | 46° | 20° | 33° | — | — |
| 1989 | 53° | 27° | 40° | — | — |
| 1988 | 49° | 45° | 47° | 0.28" | — |
| 1987 | 59° | 31° | 45° | — | — |
| 1986 | 52° | 33° | 42° | 1.07" | — |
| 1985coldest | 38° | 29° | 33° | — | — |
| 1984 | 53° | 27° | 40° | — | — |
| 1983 | 55° | 34° | 44° | — | — |
| 1982 | 58° | 38° | 48° | 0.48" | — |
| 1981 | 55° | 50° | 53° | 4.52" | — |
| 1979 | 48° | 40° | 44° | 0.28" | — |
| 1978 | 51° | 25° | 38° | — | — |
| 1977 | 52° | 31° | 41° | — | — |
| 1976 | 64° | 28° | 46° | — | — |
| 1975 | 61° | 27° | 44° | — | — |
| 1974 | 43° | 35° | 39° | — | — |
| 1973 | 51° | 40° | 45° | 0.03" | — |
| 1972 | 63° | 47° | 55° | 0.05" | — |
| 1971 | 53° | 30° | 42° | — | — |
54 years of data from CHICO UNIV FARM