Weather on December 16
Sunnyvale, CA
55 Years of Data
About This Date
December 16th in Sunnyvale, CA typically brings mild winter weather, with average highs around 60°F and lows near 42°F. Over 55 years of records, the warmest December 16th was in 1998 (61°F average), while the coldest was 1972 (43°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 24% of December 16th dates historically, with the wettest December 16th recording 3.12" 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 16th in Sunnyvale, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 45° | 54° | — | — |
| 2024 | 58° | 45° | 51° | 0.23" | — |
| 2023 | 70° | 40° | 55° | — | — |
| 2022 | 59° | 35° | 47° | — | — |
| 2021 | 58° | 42° | 50° | 0.23" | — |
| 2020 | 63° | 38° | 50° | — | — |
| 2019 | 59° | 39° | 49° | — | — |
| 2018 | 61° | 53° | 57° | 0.76" | — |
| 2017 | 63° | 44° | 53° | — | — |
| 2016 | 54° | 42° | 48° | — | — |
| 2015 | 57° | 34° | 45° | — | — |
| 2014 | 62° | 50° | 56° | 0.84" | — |
| 2013 | 67° | 38° | 52° | — | — |
| 2012 | 59° | 45° | 52° | — | — |
| 2011 | 65° | 38° | 51° | — | — |
| 2010 | 57° | 37° | 47° | 0.08" | — |
| 2009 | 61° | 49° | 55° | 0.08" | — |
| 2008 | 51° | 39° | 45° | 0.23" | — |
| 2007 | 57° | 43° | 50° | — | — |
| 2006 | 52° | 39° | 45° | — | — |
| 2005 | 53° | 36° | 44° | — | — |
| 2004 | 63° | 44° | 53° | — | — |
| 2003 | 58° | 36° | 47° | — | — |
| 2002 | 61° | 50° | 55° | 3.12" | — |
| 2001 | 60° | 39° | 50° | — | — |
| 2000 | 65° | 46° | 55° | — | — |
| 1999 | 60° | 35° | 48° | — | — |
| 1998warmest | 71° | 50° | 61° | — | — |
| 1997 | 58° | 40° | 49° | — | — |
| 1996 | 61° | 39° | 50° | — | — |
| 1995 | 57° | 40° | 48° | — | — |
| 1994 | 56° | 38° | 47° | — | — |
| 1993 | 57° | 38° | 47° | — | — |
| 1992 | 60° | 46° | 53° | — | — |
| 1991 | 56° | 38° | 47° | — | — |
| 1990 | 53° | 42° | 48° | 0.84" | — |
| 1989 | 62° | 38° | 50° | — | — |
| 1988 | 60° | 45° | 52° | — | — |
| 1987 | 55° | 46° | 51° | 0.46" | — |
| 1986 | 68° | 47° | 57° | — | — |
| 1985 | 63° | 35° | 49° | — | — |
| 1984 | 57° | 39° | 48° | 0.23" | — |
| 1983 | 58° | 52° | 55° | — | — |
| 1982 | 64° | 51° | 58° | — | — |
| 1981 | 62° | 46° | 54° | — | — |
| 1980 | 69° | 42° | 56° | — | — |
| 1979 | 60° | 39° | 50° | — | — |
| 1978 | 59° | 36° | 47° | — | — |
| 1977 | 63° | 47° | 55° | 0.3" | — |
| 1976 | 64° | 37° | 51° | — | — |
| 1975 | 67° | 37° | 52° | — | — |
| 1974 | 61° | 44° | 52° | — | — |
| 1973 | 59° | 47° | 53° | — | — |
| 1972coldest | 46° | 40° | 43° | 0.48" | — |
| 1971 | 55° | 36° | 45° | — | — |
Sunnyvale, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Sunnyvale, CA Monthly Precipitation
Average rainfall per month, in inches.
Sunnyvale, 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 Sunnyvale, CA
Most pleasant months in Sunnyvale, CA: July, August.