Weather on December 27
Hayward, CA
55 Years of Data
About This Date
December 27th in Hayward, CA typically brings cool winter weather, with average highs around 57°F and lows near 42°F. Over 53 years of records, the warmest December 27th was in 1994 (59°F average), while the coldest was 2015 (40°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 32% of December 27th dates historically, with the wettest December 27th recording 5.54" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 27th in Hayward, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 43° | 49° | — | — |
| 2024 | 64° | 53° | 59° | 1.55" | — |
| 2023 | 63° | 46° | 54° | 0.2" | — |
| 2022 | 58° | 48° | 53° | 3.91" | — |
| 2021 | 51° | 43° | 47° | 1.57" | — |
| 2020 | 63° | 45° | 54° | — | — |
| 2019 | 59° | 36° | 47° | — | — |
| 2018 | 62° | 41° | 52° | — | — |
| 2017 | 58° | 39° | 48° | — | — |
| 2016 | 53° | 37° | 45° | — | — |
| 2015coldest | 48° | 31° | 40° | — | — |
| 2014 | 54° | 37° | 45° | — | — |
| 2013 | 57° | 40° | 48° | — | — |
| 2012 | 54° | 41° | 47° | — | — |
| 2011 | 57° | 39° | 48° | — | — |
| 2010 | 59° | 45° | 52° | — | — |
| 2009 | 60° | 46° | 53° | 0.03" | — |
| 2008 | 56° | 37° | 46° | — | — |
| 2007 | 49° | 36° | 42° | 0.13" | — |
| 2006 | 58° | 45° | 51° | 0.2" | — |
| 2005 | 62° | 54° | 58° | 0.03" | — |
| 2004 | 56° | 47° | 51° | 3.33" | — |
| 2003 | 52° | 35° | 43° | — | — |
| 2002 | 62° | 56° | 59° | 0.08" | — |
| 2001 | 60° | 48° | 54° | 0.18" | — |
| 2000 | 58° | 39° | 48° | — | — |
| 1999 | 66° | 39° | 53° | — | — |
| 1998 | 47° | 38° | 42° | — | — |
| 1997 | 53° | 39° | 46° | — | — |
| 1996 | 57° | 49° | 53° | — | — |
| 1995 | 63° | 54° | 58° | — | — |
| 1994warmest | 63° | 55° | 59° | — | — |
| 1993 | 55° | 45° | 50° | — | — |
| 1992 | 49° | 33° | 41° | — | — |
| 1989 | 63° | 37° | 50° | — | — |
| 1988 | 52° | 32° | 42° | — | — |
| 1987 | 56° | 35° | 45° | — | — |
| 1986 | 53° | 40° | 46° | — | — |
| 1985 | 60° | 32° | 46° | — | — |
| 1984 | 46° | 36° | 41° | 0.18" | — |
| 1983 | 56° | 50° | 53° | 1.52" | — |
| 1982 | 50° | 43° | 46° | — | — |
| 1981 | 60° | 48° | 54° | 0.84" | — |
| 1980 | 67° | 44° | 55° | — | — |
| 1979 | 59° | 39° | 49° | — | — |
| 1978 | 48° | 36° | 42° | — | — |
| 1977 | 54° | 44° | 49° | 0.36" | — |
| 1976 | 65° | 43° | 54° | — | — |
| 1975 | 56° | 38° | 47° | — | — |
| 1974 | 56° | 38° | 47° | — | — |
| 1973 | 54° | 43° | 48° | 5.54" | — |
| 1972 | 62° | 40° | 51° | — | — |
| 1971 | 50° | 39° | 45° | 0.25" | — |