Weather on December 30
Hayward, CA
55 Years of Data
Avg High
57°F
Avg Low
42°F
Warmest
1995
59°F avg
Coldest
1987
41°F avg
About This Date
December 30th 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 30th was in 1995 (59°F average), while the coldest was 1987 (41°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 32% of December 30th dates historically, with the wettest December 30th recording 5.11" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for December 30th in Hayward, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 52° | 38° | 45° | — | — |
| 2024 | 61° | 44° | 52° | — | — |
| 2023 | 62° | 50° | 56° | 0.97" | — |
| 2022 | 62° | 54° | 58° | 2.03" | — |
| 2021 | 54° | 42° | 48° | — | — |
| 2020 | 57° | 38° | 47° | 0.15" | — |
| 2019 | 58° | 43° | 50° | — | — |
| 2018 | 59° | 43° | 51° | — | — |
| 2017 | 57° | 40° | 48° | — | — |
| 2016 | 61° | 42° | 51° | — | — |
| 2015 | 54° | 35° | 44° | — | — |
| 2014 | 56° | 37° | 46° | — | — |
| 2013 | 63° | 37° | 50° | — | — |
| 2012 | 53° | 38° | 45° | — | — |
| 2011 | 59° | 50° | 55° | 0.08" | — |
| 2010 | 54° | 35° | 44° | — | — |
| 2009 | 57° | 49° | 53° | — | — |
| 2008 | 56° | 42° | 49° | — | — |
| 2007 | 54° | 37° | 45° | — | — |
| 2006 | 57° | 36° | 46° | — | — |
| 2005 | 60° | 52° | 56° | 1.3" | — |
| 2004 | 55° | 48° | 52° | 1.8" | — |
| 2003 | 54° | 45° | 49° | — | — |
| 2002 | 53° | 47° | 50° | 0.08" | — |
| 2001 | 59° | 55° | 57° | 1.88" | — |
| 2000 | 56° | 38° | 47° | — | — |
| 1999 | 56° | 38° | 47° | — | — |
| 1998 | 58° | 39° | 48° | — | — |
| 1997 | 59° | 50° | 55° | — | — |
| 1996 | 59° | 56° | 57° | — | — |
| 1995warmest | 60° | 58° | 59° | — | — |
| 1994 | 62° | 51° | 57° | — | — |
| 1993 | 60° | 49° | 54° | — | — |
| 1992 | 49° | 40° | 44° | — | — |
| 1989 | 67° | 39° | 53° | — | — |
| 1988 | 52° | 32° | 42° | — | — |
| 1987coldest | 47° | 36° | 41° | 0.3" | — |
| 1986 | 60° | 40° | 50° | — | — |
| 1985 | 50° | 42° | 46° | 1.45" | — |
| 1984 | 58° | 36° | 47° | — | — |
| 1983 | 62° | 50° | 56° | 0.71" | — |
| 1982 | 56° | 36° | 46° | — | — |
| 1981 | 56° | 48° | 52° | 5.11" | — |
| 1980 | 57° | 45° | 51° | — | — |
| 1979 | 60° | 41° | 51° | 0.48" | — |
| 1978 | 52° | 32° | 42° | — | — |
| 1977 | 57° | 47° | 52° | 0.69" | — |
| 1976 | 62° | 43° | 52° | 2.26" | — |
| 1975 | 64° | 40° | 52° | — | — |
| 1974 | 55° | 35° | 45° | — | — |
| 1973 | 58° | 35° | 46° | 0.2" | — |
| 1972 | 56° | 32° | 44° | — | — |
| 1971 | 51° | 36° | 43° | 0.13" | — |
53 years of data from HAYWARD AIR TERMINAL