Weather on December 29
Sunnyvale, CA
55 Years of Data
Avg High
58°F
Avg Low
42°F
Warmest
2023
63°F avg
Coldest
1984
42°F avg
About This Date
December 29th in Sunnyvale, CA typically brings cool winter weather, with average highs around 58°F and lows near 42°F. Over 55 years of records, the warmest December 29th was in 2023 (63°F average), while the coldest was 1984 (42°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 45% of December 29th dates historically, with the wettest December 29th recording 3.15" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for December 29th in Sunnyvale, 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 | 61° | 39° | 50° | — | — |
| 2024 | 65° | 49° | 57° | 0.15" | — |
| 2023warmest | 71° | 55° | 63° | 1.73" | — |
| 2022 | 56° | 50° | 53° | 0.61" | — |
| 2021 | 55° | 46° | 51° | 0.69" | — |
| 2020 | 62° | 38° | 50° | — | — |
| 2019 | 56° | 42° | 49° | 0.61" | — |
| 2018 | 62° | 36° | 49° | — | — |
| 2017 | 62° | 41° | 52° | — | — |
| 2016 | 59° | 36° | 47° | — | — |
| 2015 | 55° | 34° | 44° | — | — |
| 2014 | 56° | 41° | 48° | — | — |
| 2013 | 68° | 41° | 55° | — | — |
| 2012 | 53° | 38° | 45° | 0.43" | — |
| 2011 | 65° | 46° | 55° | — | — |
| 2010 | 56° | 44° | 50° | 0.43" | — |
| 2009 | 56° | 37° | 46° | 0.05" | — |
| 2008 | 62° | 42° | 52° | — | — |
| 2007 | 57° | 45° | 51° | 0.05" | — |
| 2006 | 59° | 39° | 49° | — | — |
| 2005 | 56° | 44° | 50° | 0.05" | — |
| 2004 | 58° | 46° | 52° | 0.91" | — |
| 2003 | 53° | 46° | 50° | 2.82" | — |
| 2002 | 56° | 43° | 49° | 0.23" | — |
| 2001 | 59° | 51° | 55° | 0.51" | — |
| 2000 | 60° | 36° | 48° | — | — |
| 1999 | 61° | 37° | 49° | — | — |
| 1998 | 53° | 35° | 44° | — | — |
| 1997 | 64° | 40° | 52° | — | — |
| 1996 | 59° | 54° | 56° | 0.86" | — |
| 1995 | 56° | 48° | 52° | 0.43" | — |
| 1994 | 52° | 36° | 44° | — | — |
| 1993 | 60° | 39° | 50° | — | — |
| 1992 | 56° | 43° | 49° | 1.22" | — |
| 1991 | 54° | 47° | 50° | 3.15" | — |
| 1990 | 55° | 35° | 45° | — | — |
| 1989 | 66° | 43° | 54° | — | — |
| 1988 | 54° | 33° | 43° | — | — |
| 1987 | 51° | 44° | 48° | 0.51" | — |
| 1986 | 59° | 41° | 50° | — | — |
| 1985 | 47° | 43° | 45° | 1.98" | — |
| 1984coldest | 47° | 38° | 42° | — | — |
| 1983 | 60° | 51° | 56° | — | — |
| 1982 | 55° | 40° | 47° | — | — |
| 1981 | 58° | 49° | 53° | 1.6" | — |
| 1980 | 58° | 45° | 51° | — | — |
| 1979 | 60° | 41° | 51° | — | — |
| 1978 | 51° | 35° | 43° | — | — |
| 1977 | 62° | 49° | 55° | 0.13" | — |
| 1976 | 59° | 32° | 46° | 0.51" | — |
| 1975 | 68° | 47° | 57° | — | — |
| 1974 | 58° | 37° | 47° | — | — |
| 1973 | 67° | 54° | 60° | 0.08" | — |
| 1972 | 55° | 43° | 49° | — | — |
| 1971 | 57° | 40° | 48° | 0.33" | — |
55 years of data from MOFFETT FED AIRFIELD