Weather on December 28
Hayward, CA
55 Years of Data
About This Date
December 28th 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 28th was in 2023 (62°F average), while the coldest was 1988 (40°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 32% of December 28th dates historically, with the wettest December 28th recording 2.97" 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 28th 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° | 39° | 47° | — | — |
| 2024 | 66° | 55° | 61° | 0.1" | — |
| 2023warmest | 71° | 53° | 62° | — | — |
| 2022 | 58° | 41° | 49° | — | — |
| 2021 | 49° | 41° | 45° | 0.03" | — |
| 2020 | 59° | 45° | 52° | 0.3" | — |
| 2019 | 58° | 37° | 47° | — | — |
| 2018 | 61° | 42° | 51° | — | — |
| 2017 | 61° | 40° | 50° | — | — |
| 2016 | 62° | 37° | 50° | — | — |
| 2015 | 49° | 37° | 43° | 0.05" | — |
| 2014 | 55° | 42° | 49° | — | — |
| 2013 | 62° | 37° | 50° | — | — |
| 2012 | 52° | 38° | 45° | — | — |
| 2011 | 61° | 40° | 50° | — | — |
| 2010 | 55° | 48° | 52° | 2.92" | — |
| 2009 | 54° | 42° | 48° | — | — |
| 2008 | 57° | 44° | 51° | — | — |
| 2007 | 47° | 42° | 44° | 0.18" | — |
| 2006 | 60° | 39° | 50° | — | — |
| 2005 | 63° | 49° | 56° | 1.32" | — |
| 2004 | 51° | 47° | 49° | 0.36" | — |
| 2003 | 52° | 37° | 44° | — | — |
| 2002 | 63° | 47° | 55° | 1.78" | — |
| 2001 | 58° | 51° | 54° | 2.31" | — |
| 2000 | 60° | 38° | 49° | — | — |
| 1999 | 62° | 40° | 51° | — | — |
| 1998 | 49° | 38° | 43° | — | — |
| 1997 | 56° | 48° | 52° | — | — |
| 1996 | 56° | 50° | 53° | — | — |
| 1995 | 59° | 50° | 55° | — | — |
| 1994 | 63° | 52° | 57° | — | — |
| 1993 | 58° | 49° | 53° | — | — |
| 1992 | 48° | 43° | 45° | — | — |
| 1989 | 56° | 38° | 47° | 0.08" | — |
| 1988coldest | 47° | 34° | 40° | 0.56" | — |
| 1987 | 50° | 44° | 47° | 1.55" | — |
| 1986 | 54° | 40° | 47° | — | — |
| 1985 | 55° | 32° | 44° | — | — |
| 1984 | 51° | 36° | 43° | — | — |
| 1983 | 58° | 45° | 51° | — | — |
| 1982 | 57° | 45° | 51° | — | — |
| 1981 | 56° | 39° | 47° | — | — |
| 1980 | 63° | 45° | 54° | — | — |
| 1979 | 53° | 39° | 46° | — | — |
| 1978 | 50° | 40° | 45° | — | — |
| 1977 | 64° | 47° | 55° | 0.1" | — |
| 1976 | 69° | 42° | 56° | — | — |
| 1975 | 62° | 41° | 52° | — | — |
| 1974 | 51° | 38° | 44° | 2.97" | — |
| 1973 | 56° | 49° | 52° | 0.86" | — |
| 1972 | 53° | 38° | 45° | 0.23" | — |
| 1971 | 44° | 38° | 41° | — | — |
Hayward, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Hayward, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Hayward, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Hayward, CA
Most pleasant months in Hayward, CA: August.