Weather on December 26
Sunnyvale, CA
55 Years of Data
Avg High
57°F
Avg Low
41°F
Warmest
2024
59°F avg
Coldest
1978
42°F avg
About This Date
December 26th in Sunnyvale, CA typically brings cool winter weather, with average highs around 57°F and lows near 41°F. Over 55 years of records, the warmest December 26th was in 2024 (59°F average), while the coldest was 1978 (42°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 33% of December 26th dates historically, with the wettest December 26th recording 1.63" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for December 26th in Sunnyvale, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 52° | 56° | — | — |
| 2024warmest | 66° | 51° | 59° | 0.61" | — |
| 2023 | 62° | 42° | 52° | — | — |
| 2022 | 60° | 48° | 54° | 0.15" | — |
| 2021 | 52° | 38° | 45° | — | — |
| 2020 | 60° | 46° | 53° | 0.1" | — |
| 2019 | 57° | 41° | 49° | — | — |
| 2018 | 57° | 41° | 49° | — | — |
| 2017 | 62° | 40° | 51° | — | — |
| 2016 | 54° | 34° | 44° | — | — |
| 2015 | 52° | 33° | 42° | — | — |
| 2014 | 59° | 40° | 49° | — | — |
| 2013 | 68° | 37° | 53° | — | — |
| 2012 | 55° | 45° | 50° | 0.61" | — |
| 2011 | 55° | 35° | 45° | — | — |
| 2010 | 61° | 45° | 53° | 0.03" | — |
| 2009 | 59° | 37° | 48° | 0.94" | — |
| 2008 | 52° | 36° | 44° | — | — |
| 2007 | 53° | 42° | 48° | 0.05" | — |
| 2006 | 67° | 50° | 58° | 0.58" | — |
| 2005 | 61° | 47° | 54° | 0.94" | — |
| 2004 | 55° | 47° | 51° | 0.33" | — |
| 2003 | 53° | 35° | 44° | — | — |
| 2002 | 59° | 51° | 55° | — | — |
| 2001 | 56° | 49° | 52° | — | — |
| 2000 | 61° | 35° | 48° | — | — |
| 1999 | 62° | 37° | 50° | — | — |
| 1998 | 52° | 32° | 42° | — | — |
| 1997 | 55° | 32° | 44° | — | — |
| 1996 | 57° | 48° | 53° | 0.3" | — |
| 1995 | 59° | 39° | 49° | — | — |
| 1994 | 56° | 39° | 47° | — | — |
| 1993 | 49° | 41° | 45° | 0.15" | — |
| 1992 | 52° | 34° | 43° | — | — |
| 1991 | 63° | 46° | 54° | — | — |
| 1990 | 58° | 33° | 45° | — | — |
| 1989 | 57° | 37° | 47° | — | — |
| 1988 | 54° | 34° | 44° | — | — |
| 1987 | 53° | 34° | 43° | — | — |
| 1986 | 55° | 43° | 49° | — | — |
| 1985 | 54° | 35° | 44° | — | — |
| 1984 | 51° | 43° | 47° | 0.48" | — |
| 1983 | 59° | 52° | 55° | 0.08" | — |
| 1982 | 51° | 41° | 46° | — | — |
| 1981 | 61° | 47° | 54° | 0.33" | — |
| 1980 | 63° | 45° | 54° | — | — |
| 1979 | 57° | 42° | 50° | — | — |
| 1978coldest | 48° | 35° | 42° | — | — |
| 1977 | 59° | 51° | 55° | 0.48" | — |
| 1976 | 56° | 32° | 44° | — | — |
| 1975 | 56° | 43° | 49° | — | — |
| 1974 | 60° | 36° | 48° | — | — |
| 1973 | 59° | 48° | 54° | 1.42" | — |
| 1972 | 60° | 42° | 51° | — | — |
| 1971 | 50° | 40° | 45° | 1.63" | — |
55 years of data from MOFFETT FED AIRFIELD