Weather on December 15
Chico, CA
55 Years of Data
Avg High
55°F
Avg Low
38°F
Warmest
2023
59°F avg
Coldest
1972
30°F avg
About This Date
December 15th in Chico, CA typically brings cool winter weather, with average highs around 55°F and lows near 38°F. Over 54 years of records, the warmest December 15th was in 2023 (59°F average), while the coldest was 1972 (30°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 31% of December 15th dates historically, with the wettest December 15th recording 2.59" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Chico, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 44° | 52° | — | — |
| 2024 | 51° | 42° | 47° | — | — |
| 2023warmest | 65° | 53° | 59° | — | — |
| 2022 | 60° | 40° | 50° | — | — |
| 2021 | 51° | 35° | 43° | 0.38" | — |
| 2020 | 51° | 43° | 47° | — | — |
| 2019 | 50° | 33° | 42° | 1.27" | — |
| 2018 | 53° | 49° | 51° | — | — |
| 2017 | 59° | 33° | 46° | — | — |
| 2016 | 52° | 51° | 51° | — | — |
| 2015 | 50° | 37° | 44° | — | — |
| 2014 | 59° | 38° | 48° | 0.53" | — |
| 2013 | 64° | 29° | 46° | — | — |
| 2012 | 42° | 29° | 35° | — | — |
| 2011 | 55° | 38° | 46° | — | — |
| 2010 | 56° | 33° | 44° | — | — |
| 2009 | 55° | 43° | 49° | — | — |
| 2008 | 61° | 27° | 44° | 0.94" | — |
| 2007 | 56° | 35° | 45° | — | — |
| 2006 | 63° | 52° | 57° | 0.03" | — |
| 2005 | 58° | 30° | 44° | — | — |
| 2004 | 65° | 36° | 50° | 0.03" | — |
| 2003 | 59° | 32° | 46° | — | — |
| 2002 | 55° | 48° | 52° | — | — |
| 2001 | 55° | 29° | 42° | — | — |
| 2000 | 53° | 48° | 51° | 0.05" | — |
| 1999 | 59° | 28° | 44° | — | — |
| 1998 | 60° | 50° | 55° | — | — |
| 1997 | 50° | 39° | 45° | 2.03" | — |
| 1996 | 61° | 33° | 47° | — | — |
| 1995 | 57° | 37° | 47° | 2.08" | — |
| 1994 | 46° | 42° | 44° | 1.27" | — |
| 1993 | 53° | 34° | 43° | 0.41" | — |
| 1992 | 54° | 30° | 42° | — | — |
| 1991 | 47° | 31° | 39° | — | — |
| 1990 | 49° | 31° | 40° | 0.91" | — |
| 1989 | 60° | 30° | 45° | — | — |
| 1988 | 65° | 40° | 52° | — | — |
| 1987 | 49° | 35° | 42° | — | — |
| 1986 | 49° | 41° | 45° | — | — |
| 1985 | 69° | 46° | 58° | — | — |
| 1984 | 60° | 37° | 49° | 0.53" | — |
| 1983 | 55° | 59° | 57° | 0.05" | — |
| 1982 | 49° | 44° | 46° | 0.03" | — |
| 1981 | 60° | 54° | 57° | — | — |
| 1979 | 59° | 28° | 44° | — | — |
| 1978 | 61° | 27° | 44° | — | — |
| 1977 | 59° | 38° | 48° | 2.59" | — |
| 1976 | 65° | 30° | 47° | — | — |
| 1975 | 54° | 27° | 40° | — | — |
| 1974 | 55° | 40° | 47° | — | — |
| 1973 | 51° | 37° | 44° | — | — |
| 1972coldest | 32° | 28° | 30° | 0.03" | — |
| 1971 | 48° | 29° | 38° | — | — |
54 years of data from CHICO UNIV FARM