Weather on December 3
Sunnyvale, CA
55 Years of Data
Avg High
61°F
Avg Low
44°F
Warmest
1987
62°F avg
Coldest
1971
45°F avg
About This Date
December 3rd 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 3rd was in 1987 (62°F average), while the coldest was 1971 (45°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 3rd dates historically, with the wettest December 3rd recording 4.7" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for December 3rd in Sunnyvale, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 46° | 55° | — | — |
| 2024 | 71° | 44° | 58° | — | — |
| 2023 | 68° | 49° | 58° | — | — |
| 2022 | 50° | 44° | 47° | 1.04" | — |
| 2021 | 58° | 51° | 54° | — | — |
| 2020 | 65° | 40° | 52° | — | — |
| 2019 | 61° | 48° | 54° | 0.03" | — |
| 2018 | 58° | 44° | 51° | — | — |
| 2017 | 58° | 44° | 51° | 0.05" | — |
| 2016 | 64° | 41° | 53° | — | — |
| 2015 | 63° | 41° | 52° | 0.28" | — |
| 2014 | 64° | 58° | 61° | 4.7" | — |
| 2013 | 56° | 43° | 49° | — | — |
| 2012 | 61° | 43° | 52° | — | — |
| 2011 | 68° | 45° | 56° | — | — |
| 2010 | 59° | 47° | 53° | — | — |
| 2009 | 59° | 41° | 50° | — | — |
| 2008 | 59° | 45° | 52° | 0.03" | — |
| 2007 | 67° | 50° | 58° | — | — |
| 2006 | 64° | 36° | 50° | — | — |
| 2005 | 56° | 37° | 46° | — | — |
| 2004 | 60° | 34° | 47° | — | — |
| 2003 | 57° | 47° | 52° | — | — |
| 2002 | 62° | 40° | 51° | — | — |
| 2001 | 55° | 44° | 50° | 0.1" | — |
| 2000 | 58° | 38° | 48° | — | — |
| 1999 | 60° | 44° | 52° | — | — |
| 1998 | 59° | 39° | 49° | 0.53" | — |
| 1997 | 62° | 50° | 56° | — | — |
| 1996 | 58° | 36° | 47° | — | — |
| 1995 | 62° | 41° | 52° | — | — |
| 1994 | 58° | 51° | 54° | 0.03" | — |
| 1993 | 69° | 47° | 58° | — | — |
| 1992 | 60° | 45° | 52° | 0.38" | — |
| 1991 | 62° | 41° | 52° | — | — |
| 1990 | 60° | 37° | 49° | — | — |
| 1989 | 70° | 41° | 55° | — | — |
| 1988 | 68° | 48° | 58° | — | — |
| 1987warmest | 67° | 57° | 62° | — | — |
| 1986 | 64° | 41° | 53° | — | — |
| 1985 | 63° | 52° | 57° | 0.13" | — |
| 1984 | 55° | 43° | 49° | — | — |
| 1983 | 56° | 52° | 54° | 1.75" | — |
| 1982 | 61° | 48° | 54° | — | — |
| 1981 | 63° | 43° | 53° | — | — |
| 1980 | 61° | 54° | 57° | 3.28" | — |
| 1979 | 67° | 44° | 55° | — | — |
| 1978 | 63° | 38° | 50° | — | — |
| 1977 | 63° | 50° | 56° | — | — |
| 1976 | 62° | 34° | 48° | — | — |
| 1975 | 62° | 44° | 53° | — | — |
| 1974 | 64° | 53° | 59° | 0.86" | — |
| 1973 | 55° | 39° | 47° | — | — |
| 1972 | 61° | 52° | 56° | 0.08" | — |
| 1971coldest | 48° | 41° | 45° | 0.2" | — |
55 years of data from MOFFETT FED AIRFIELD