Weather on December 22
Hayward, CA
55 Years of Data
Avg High
58°F
Avg Low
43°F
Warmest
2005
62°F avg
Coldest
1998
38°F avg
About This Date
December 22nd 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 22nd was in 2005 (62°F average), while the coldest was 1998 (38°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 42% of December 22nd dates historically, with the wettest December 22nd recording 4.57" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for December 22nd in Hayward, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 58° | 61° | 1.32" | — |
| 2024 | 65° | 56° | 60° | 0.56" | — |
| 2023 | 63° | 49° | 56° | — | — |
| 2022 | 59° | 44° | 52° | — | — |
| 2021 | 58° | 46° | 52° | 0.64" | — |
| 2020 | 63° | 44° | 53° | — | — |
| 2019 | 56° | 42° | 49° | 1.27" | — |
| 2018 | 59° | 44° | 52° | — | — |
| 2017 | 55° | 35° | 45° | — | — |
| 2016 | 63° | 38° | 50° | — | — |
| 2015 | 60° | 52° | 56° | 0.08" | — |
| 2014 | 64° | 55° | 60° | — | — |
| 2013 | 63° | 38° | 50° | — | — |
| 2012 | 58° | 49° | 53° | 0.86" | — |
| 2011 | 62° | 36° | 49° | — | — |
| 2010 | 60° | 50° | 55° | 0.25" | — |
| 2009 | 56° | 38° | 47° | — | — |
| 2008 | 54° | 40° | 47° | 0.05" | — |
| 2007 | 52° | 35° | 43° | — | — |
| 2006 | 56° | 42° | 49° | — | — |
| 2005warmest | 65° | 59° | 62° | 1.22" | — |
| 2004 | 62° | 45° | 53° | — | — |
| 2003 | 59° | 44° | 52° | — | — |
| 2002 | 59° | 39° | 49° | — | — |
| 2001 | 54° | 48° | 51° | 0.74" | — |
| 2000 | 57° | 46° | 52° | — | — |
| 1999 | 64° | 45° | 54° | — | — |
| 1998coldest | 47° | 29° | 38° | — | — |
| 1997 | 53° | 41° | 47° | — | — |
| 1996 | 56° | 43° | 49° | 1.32" | — |
| 1995 | 58° | 54° | 56° | — | — |
| 1994 | 64° | 50° | 57° | — | — |
| 1993 | 47° | 31° | 39° | — | — |
| 1992 | 50° | 40° | 45° | — | — |
| 1989 | 60° | 37° | 49° | — | — |
| 1988 | 50° | 40° | 45° | 1.07" | — |
| 1987 | 54° | 46° | 50° | 0.18" | — |
| 1986 | 61° | 43° | 52° | 0.03" | — |
| 1985 | 61° | 36° | 48° | — | — |
| 1984 | 54° | 39° | 46° | — | — |
| 1983 | 48° | 41° | 45° | 0.38" | — |
| 1982 | 59° | 46° | 53° | 4.57" | — |
| 1981 | 60° | 40° | 50° | — | — |
| 1980 | 58° | 53° | 55° | 2.51" | — |
| 1979 | 58° | 50° | 54° | — | — |
| 1978 | 55° | 37° | 46° | — | — |
| 1977 | 60° | 46° | 53° | 2.31" | — |
| 1976 | 65° | 44° | 54° | — | — |
| 1975 | 52° | 43° | 47° | 0.53" | — |
| 1974 | 53° | 33° | 43° | — | — |
| 1973 | 53° | 41° | 47° | 1.63" | — |
| 1972 | 61° | 47° | 54° | 0.61" | — |
| 1971 | 55° | 36° | 45° | 1.47" | — |
53 years of data from HAYWARD AIR TERMINAL