Weather on December 1
Sunnyvale, CA
55 Years of Data
Avg High
61°F
Avg Low
44°F
Warmest
2011
61°F avg
Coldest
2004
45°F avg
About This Date
December 1st in Sunnyvale, CA typically brings mild winter weather, with average highs around 61°F and lows near 44°F. Over 55 years of records, the warmest December 1st was in 2011 (61°F average), while the coldest was 2004 (45°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 31% of December 1st dates historically, with the wettest December 1st recording 1.5" 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 1st in Sunnyvale, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 43° | 48° | — | — |
| 2024 | 70° | 50° | 60° | — | — |
| 2023 | 63° | 43° | 53° | — | — |
| 2022 | 52° | 41° | 46° | 1.5" | — |
| 2021 | 75° | 44° | 60° | — | — |
| 2020 | 64° | 41° | 53° | — | — |
| 2019 | 56° | 52° | 54° | 0.1" | — |
| 2018 | 59° | 44° | 52° | 0.38" | — |
| 2017 | 60° | 40° | 50° | — | — |
| 2016 | 60° | 42° | 51° | — | — |
| 2015 | 61° | 38° | 49° | — | — |
| 2014 | 69° | 54° | 61° | 0.3" | — |
| 2013 | 67° | 41° | 54° | — | — |
| 2012 | 65° | 58° | 61° | 0.25" | — |
| 2011warmest | 71° | 50° | 61° | — | — |
| 2010 | 56° | 37° | 46° | — | — |
| 2009 | 63° | 40° | 51° | — | — |
| 2008 | 55° | 47° | 51° | 0.03" | — |
| 2007 | 58° | 37° | 47° | — | — |
| 2006 | 63° | 36° | 49° | — | — |
| 2005 | 62° | 51° | 57° | 1.3" | — |
| 2004coldest | 57° | 34° | 45° | — | — |
| 2003 | 61° | 52° | 56° | 0.1" | — |
| 2002 | 63° | 45° | 54° | — | — |
| 2001 | 55° | 49° | 52° | 0.38" | — |
| 2000 | 58° | 41° | 49° | — | — |
| 1999 | 58° | 45° | 51° | 0.05" | — |
| 1998 | 58° | 43° | 50° | 0.03" | — |
| 1997 | 62° | 42° | 52° | — | — |
| 1996 | 59° | 53° | 56° | 0.15" | — |
| 1995 | 67° | 52° | 59° | — | — |
| 1994 | 61° | 40° | 50° | — | — |
| 1993 | 62° | 40° | 51° | — | — |
| 1992 | 65° | 41° | 53° | — | — |
| 1991 | 61° | 46° | 53° | — | — |
| 1990 | 61° | 38° | 49° | — | — |
| 1989 | 69° | 41° | 55° | — | — |
| 1988 | 66° | 43° | 54° | — | — |
| 1987 | 63° | 55° | 59° | 0.66" | — |
| 1986 | 67° | 38° | 52° | — | — |
| 1985 | 56° | 43° | 49° | 0.33" | — |
| 1984 | 59° | 46° | 53° | — | — |
| 1983 | 59° | 49° | 54° | — | — |
| 1982 | 56° | 45° | 50° | — | — |
| 1981 | 61° | 44° | 52° | — | — |
| 1980 | 61° | 41° | 51° | 0.03" | — |
| 1979 | 57° | 45° | 51° | — | — |
| 1978 | 60° | 50° | 55° | 0.48" | — |
| 1977 | 65° | 49° | 57° | — | — |
| 1976 | 66° | 35° | 51° | — | — |
| 1975 | 64° | 39° | 52° | — | — |
| 1974 | 61° | 40° | 50° | — | — |
| 1973 | 58° | 44° | 51° | 0.36" | — |
| 1972 | 54° | 45° | 49° | — | — |
| 1971 | 61° | 40° | 50° | — | — |
55 years of data from MOFFETT FED AIRFIELD