Weather on December 16
San Mateo, CA
55 Years of Data
Avg High
57°F
Avg Low
43°F
Warmest
1998
61°F avg
Coldest
1971
43°F avg
About This Date
December 16th in San Mateo, CA typically brings cool winter weather, with average highs around 57°F and lows near 43°F. Over 55 years of records, the warmest December 16th was in 1998 (61°F average), while the coldest was 1971 (43°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 16th dates historically, with the wettest December 16th recording 5.33" 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 San Mateo, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 48° | 53° | — | — |
| 2024 | 58° | 45° | 51° | 0.71" | — |
| 2023 | 64° | 46° | 55° | — | — |
| 2022 | 55° | 38° | 46° | — | — |
| 2021 | 57° | 48° | 53° | 0.71" | — |
| 2020 | 58° | 45° | 51° | — | — |
| 2019 | 56° | 41° | 48° | — | — |
| 2018 | 61° | 52° | 56° | 1.47" | — |
| 2017 | 64° | 49° | 56° | — | — |
| 2016 | 54° | 45° | 49° | — | — |
| 2015 | 55° | 39° | 47° | — | — |
| 2014 | 63° | 50° | 56° | 2.13" | — |
| 2013 | 65° | 43° | 54° | — | — |
| 2012 | 57° | 47° | 52° | 0.03" | — |
| 2011 | 62° | 38° | 50° | — | — |
| 2010 | 53° | 40° | 46° | 0.1" | — |
| 2009 | 56° | 51° | 53° | 0.13" | — |
| 2008 | 47° | 39° | 43° | 0.41" | — |
| 2007 | 56° | 42° | 49° | 0.03" | — |
| 2006 | 51° | 39° | 45° | — | — |
| 2005 | 50° | 44° | 47° | — | — |
| 2004 | 62° | 47° | 54° | — | — |
| 2003 | 55° | 38° | 46° | — | — |
| 2002 | 60° | 50° | 55° | 5.33" | — |
| 2001 | 56° | 45° | 50° | — | — |
| 2000 | 61° | 45° | 53° | — | — |
| 1999 | 57° | 39° | 48° | — | — |
| 1998warmest | 70° | 53° | 61° | — | — |
| 1997 | 54° | 45° | 49° | — | — |
| 1996 | 56° | 43° | 49° | — | — |
| 1995 | 58° | 44° | 51° | — | — |
| 1994 | 53° | 41° | 47° | — | — |
| 1993 | 52° | 40° | 46° | — | — |
| 1992 | 56° | 40° | 48° | — | — |
| 1991 | 51° | 41° | 46° | — | — |
| 1990 | 53° | 44° | 49° | 0.05" | — |
| 1989 | 61° | 39° | 50° | — | — |
| 1988 | 58° | 43° | 50° | — | — |
| 1987 | 53° | 46° | 50° | 0.74" | — |
| 1986 | 63° | 44° | 53° | — | — |
| 1985 | 55° | 37° | 46° | — | — |
| 1984 | 52° | 38° | 45° | 0.03" | — |
| 1983 | 57° | 51° | 54° | 0.03" | — |
| 1982 | 60° | 51° | 56° | 0.41" | — |
| 1981 | 59° | 46° | 53° | — | — |
| 1980 | 66° | 39° | 53° | — | — |
| 1979 | 60° | 38° | 49° | — | — |
| 1978 | 55° | 34° | 44° | — | — |
| 1977 | 61° | 41° | 51° | 2.62" | — |
| 1976 | 60° | 36° | 48° | — | — |
| 1975 | 58° | 35° | 46° | — | — |
| 1974 | 60° | 42° | 51° | — | — |
| 1973 | 56° | 42° | 49° | — | — |
| 1972 | — | 37° | — | — | — |
| 1971coldest | 53° | 33° | 43° | — | — |
55 years of data from BURLINGAME