Weather on December 16
Hayward, CA
55 Years of Data
Avg High
59°F
Avg Low
42°F
Warmest
1994
63°F avg
Coldest
1972
36°F avg
About This Date
December 16th in Hayward, CA typically brings cool winter weather, with average highs around 59°F and lows near 42°F. Over 53 years of records, the warmest December 16th was in 1994 (63°F average), while the coldest was 1972 (36°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 23% of December 16th dates historically, with the wettest December 16th recording 3.02" 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 16th in Hayward, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 45° | 52° | — | — |
| 2024 | 56° | 43° | 49° | 1.19" | — |
| 2023 | 66° | 41° | 54° | — | — |
| 2022 | 59° | 37° | 48° | — | — |
| 2021 | 57° | 45° | 51° | 1.63" | — |
| 2020 | 60° | 44° | 52° | — | — |
| 2019 | 58° | 42° | 50° | — | — |
| 2018 | 63° | 53° | 58° | 1.02" | — |
| 2017 | 67° | 41° | 54° | — | — |
| 2016 | 55° | 42° | 49° | — | — |
| 2015 | 58° | 36° | 47° | — | — |
| 2014 | 64° | 49° | 56° | 1.73" | — |
| 2013 | 65° | 34° | 49° | — | — |
| 2012 | 57° | 46° | 52° | — | — |
| 2011 | 59° | 35° | 47° | — | — |
| 2010 | 57° | 38° | 47° | 0.1" | — |
| 2009 | 62° | 51° | 57° | 0.03" | — |
| 2008 | 47° | 38° | 42° | 0.13" | — |
| 2007 | 56° | 44° | 50° | — | — |
| 2006 | 51° | 36° | 43° | — | — |
| 2005 | 53° | 40° | 46° | — | — |
| 2004 | 63° | 45° | 54° | — | — |
| 2003 | 56° | 36° | 46° | — | — |
| 2002 | 60° | 50° | 55° | 3.02" | — |
| 2001 | 58° | 41° | 49° | — | — |
| 2000 | 64° | 44° | 54° | — | — |
| 1999 | 56° | 37° | 46° | — | — |
| 1998 | 70° | 46° | 58° | — | — |
| 1997 | 57° | 41° | 49° | — | — |
| 1996 | 60° | 49° | 54° | — | — |
| 1995 | 65° | 53° | 59° | — | — |
| 1994warmest | 70° | 57° | 63° | — | — |
| 1993 | 51° | 38° | 44° | — | — |
| 1992 | 53° | 40° | 46° | — | — |
| 1989 | 64° | 38° | 51° | — | — |
| 1988 | 58° | 46° | 52° | — | — |
| 1987 | 53° | 44° | 49° | 0.46" | — |
| 1986 | 51° | 42° | 47° | 0.69" | — |
| 1985 | 53° | 38° | 45° | — | — |
| 1984 | 58° | 33° | 45° | 0.86" | — |
| 1983 | 62° | 50° | 56° | — | — |
| 1982 | 58° | 52° | 55° | — | — |
| 1981 | 63° | 44° | 53° | 0.33" | — |
| 1980 | 71° | 47° | 59° | — | — |
| 1979 | 66° | 44° | 55° | — | — |
| 1978 | 60° | 43° | 51° | — | — |
| 1977 | 58° | 43° | 50° | — | — |
| 1976 | 72° | 47° | 59° | — | — |
| 1975 | 55° | 32° | 44° | — | — |
| 1974 | 59° | 43° | 51° | — | — |
| 1973 | 56° | 38° | 47° | — | — |
| 1972coldest | 42° | 30° | 36° | — | — |
| 1971 | 51° | 33° | 42° | — | — |
53 years of data from HAYWARD AIR TERMINAL