Weather on December 23
San Jose, CA
55 Years of Data
Avg High
58°F
Avg Low
41°F
Warmest
2024
66°F avg
Coldest
1990
31°F avg
About This Date
December 23rd in San Jose, CA typically brings cool winter weather, with average highs around 58°F and lows near 41°F. Over 55 years of records, the warmest December 23rd was in 2024 (66°F average), while the coldest was 1990 (31°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 23rd dates historically, with the wettest December 23rd recording 2.97" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in San Jose, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 55° | 61° | 0.08" | — |
| 2024warmest | 74° | 59° | 66° | — | — |
| 2023 | 65° | 42° | 53° | — | — |
| 2022 | 62° | 45° | 53° | — | — |
| 2021 | 61° | 51° | 56° | 0.69" | — |
| 2020 | 60° | 38° | 49° | — | — |
| 2019 | 54° | 38° | 46° | — | — |
| 2018 | 62° | 45° | 53° | — | — |
| 2017 | 57° | 38° | 47° | — | — |
| 2016 | 54° | 43° | 48° | 1.35" | — |
| 2015 | 57° | 44° | 51° | — | — |
| 2014 | 68° | 49° | 58° | — | — |
| 2013 | 63° | 38° | 50° | — | — |
| 2012 | 55° | 48° | 52° | 2.97" | — |
| 2011 | 58° | 31° | 44° | — | — |
| 2010 | 61° | 44° | 52° | — | — |
| 2009 | 59° | 40° | 49° | — | — |
| 2008 | 54° | 42° | 48° | 0.08" | — |
| 2007 | 59° | 35° | 47° | — | — |
| 2006 | 56° | 38° | 47° | — | — |
| 2005 | 62° | 56° | 59° | — | — |
| 2004 | 63° | 40° | 51° | — | — |
| 2003 | 59° | 50° | 55° | 0.13" | — |
| 2002 | 55° | 40° | 47° | — | — |
| 2001 | 58° | 38° | 48° | 0.18" | — |
| 2000 | 57° | 40° | 48° | — | — |
| 1999 | 66° | 39° | 53° | — | — |
| 1998 | 49° | 25° | 37° | — | — |
| 1997 | 56° | 34° | 45° | — | — |
| 1996 | 60° | 44° | 52° | — | — |
| 1995 | 56° | 44° | 50° | — | — |
| 1994 | 57° | 36° | 46° | — | — |
| 1993 | 61° | 31° | 46° | — | — |
| 1992 | 58° | 36° | 47° | — | — |
| 1991 | 60° | 39° | 50° | — | — |
| 1990coldest | 42° | 19° | 31° | — | — |
| 1989 | 58° | 34° | 46° | — | — |
| 1988 | 55° | 36° | 45° | 0.1" | — |
| 1987 | 52° | 39° | 45° | — | — |
| 1986 | 56° | 45° | 50° | 0.03" | — |
| 1985 | 56° | 33° | 44° | — | — |
| 1984 | 53° | 30° | 42° | — | — |
| 1983 | 57° | 45° | 51° | 0.36" | — |
| 1982 | 56° | 43° | 49° | 0.2" | — |
| 1981 | 58° | 41° | 49° | — | — |
| 1980 | 60° | 47° | 53° | 0.03" | — |
| 1979 | 54° | 43° | 48° | 0.38" | — |
| 1978 | 54° | 33° | 43° | — | — |
| 1977 | 63° | 51° | 57° | 1.35" | — |
| 1976 | 56° | 40° | 48° | — | — |
| 1975 | 57° | 37° | 47° | — | — |
| 1974 | 56° | 35° | 45° | — | — |
| 1973 | 56° | 41° | 48° | — | — |
| 1972 | 57° | 46° | 52° | — | — |
| 1971 | 57° | 45° | 51° | 0.71" | — |
55 years of data from SAN JOSE