Weather on December 23
Hayward, CA
55 Years of Data
Avg High
58°F
Avg Low
43°F
Warmest
2024
62°F avg
Coldest
1998
37°F avg
About This Date
December 23rd in Hayward, CA typically brings cool winter weather, with average highs around 58°F and lows near 43°F. Over 53 years of records, the warmest December 23rd was in 2024 (62°F average), while the coldest was 1998 (37°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 30% of December 23rd dates historically, with the wettest December 23rd recording 2.59" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in Hayward, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 55° | 60° | — | — |
| 2024warmest | 69° | 56° | 62° | 0.03" | — |
| 2023 | 63° | 43° | 53° | — | — |
| 2022 | 58° | 46° | 52° | — | — |
| 2021 | 60° | 52° | 56° | 1.9" | — |
| 2020 | 63° | 40° | 51° | — | — |
| 2019 | 53° | 39° | 46° | — | — |
| 2018 | 60° | 47° | 53° | — | — |
| 2017 | 53° | 42° | 48° | — | — |
| 2016 | 54° | 46° | 50° | 1.42" | — |
| 2015 | 57° | 45° | 51° | — | — |
| 2014 | 65° | 50° | 57° | — | — |
| 2013 | 63° | 41° | 52° | — | — |
| 2012 | 54° | 46° | 50° | 2.16" | — |
| 2011 | 56° | 33° | 44° | — | — |
| 2010 | 58° | 42° | 50° | — | — |
| 2009 | 57° | 35° | 46° | — | — |
| 2008 | 54° | 41° | 47° | 0.33" | — |
| 2007 | 56° | 39° | 47° | — | — |
| 2006 | 56° | 39° | 47° | — | — |
| 2005 | 62° | 57° | 60° | — | — |
| 2004 | 65° | 43° | 54° | — | — |
| 2003 | 58° | 51° | 54° | 0.48" | — |
| 2002 | 57° | 38° | 47° | — | — |
| 2001 | 58° | 43° | 50° | 0.1" | — |
| 2000 | 53° | 42° | 48° | — | — |
| 1999 | 61° | 42° | 51° | 0.08" | — |
| 1998coldest | 48° | 27° | 37° | — | — |
| 1997 | 58° | 42° | 50° | — | — |
| 1996 | 57° | 48° | 53° | — | — |
| 1995 | 62° | 54° | 58° | — | — |
| 1994 | 67° | 49° | 58° | — | — |
| 1993 | 52° | 42° | 47° | — | — |
| 1992 | 54° | 45° | 49° | — | — |
| 1989 | 50° | 36° | 43° | — | — |
| 1988 | 73° | 36° | 54° | 1.85" | — |
| 1987 | 54° | 39° | 46° | — | — |
| 1986 | 51° | 42° | 47° | 0.3" | — |
| 1985 | 58° | 39° | 48° | — | — |
| 1984 | 56° | 36° | 46° | — | — |
| 1983 | 43° | 39° | 41° | 0.89" | — |
| 1982 | 59° | 42° | 51° | 2.59" | — |
| 1981 | 59° | 40° | 49° | — | — |
| 1980 | 63° | 48° | 55° | — | — |
| 1979 | 56° | 48° | 52° | 0.08" | — |
| 1978 | 57° | 38° | 47° | — | — |
| 1977 | 63° | 51° | 57° | 1.68" | — |
| 1976 | 61° | 49° | 55° | — | — |
| 1975 | 58° | 37° | 47° | 0.03" | — |
| 1974 | 53° | 33° | 43° | — | — |
| 1973 | 56° | 38° | 47° | — | — |
| 1972 | 59° | 41° | 50° | — | — |
| 1971 | 54° | 41° | 47° | 0.41" | — |
53 years of data from HAYWARD AIR TERMINAL