Weather on December 26
San Mateo, CA
55 Years of Data
About This Date
December 26th in San Mateo, CA typically brings cool winter weather, with average highs around 55°F and lows near 43°F. Over 55 years of records, the warmest December 26th was in 2005 (57°F average), while the coldest was 1978 (41°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 40% of December 26th dates historically, with the wettest December 26th recording 1.91" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for December 26th in San Mateo, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 51° | 56° | 0.43" | — |
| 2024 | 62° | 51° | 57° | 0.69" | — |
| 2023 | 58° | 48° | 53° | — | — |
| 2022 | 58° | 49° | 53° | 0.58" | — |
| 2021 | 52° | 43° | 47° | 0.15" | — |
| 2020 | 61° | 49° | 55° | — | — |
| 2019 | 58° | 44° | 51° | — | — |
| 2018 | 59° | 45° | 52° | — | — |
| 2017 | 58° | 43° | 50° | — | — |
| 2016 | 53° | 41° | 47° | — | — |
| 2015 | 52° | 39° | 45° | — | — |
| 2014 | 59° | 44° | 52° | — | — |
| 2013 | 62° | 43° | 52° | — | — |
| 2012 | 55° | 48° | 52° | 0.51" | — |
| 2011 | 52° | 39° | 45° | — | — |
| 2010 | 58° | 46° | 52° | 0.03" | — |
| 2009 | 53° | 41° | 47° | 1.57" | — |
| 2008 | 51° | 42° | 47° | — | — |
| 2007 | 53° | 44° | 49° | 0.03" | — |
| 2006 | 63° | 50° | 56° | 1.22" | — |
| 2005warmest | 60° | 53° | 57° | 0.79" | — |
| 2004 | 55° | 49° | 52° | 0.51" | — |
| 2003 | 53° | 41° | 47° | — | — |
| 2002 | 59° | 47° | 53° | 0.15" | — |
| 2001 | 55° | 51° | 53° | — | — |
| 2000 | 58° | 42° | 50° | — | — |
| 1999 | 61° | 41° | 51° | — | — |
| 1998 | 50° | 38° | 44° | — | — |
| 1997 | 55° | 36° | 45° | — | — |
| 1996 | 59° | 49° | 54° | 1.91" | — |
| 1995 | 59° | 41° | 50° | — | — |
| 1994 | 55° | 41° | 48° | — | — |
| 1993 | 48° | 43° | 45° | 0.2" | — |
| 1992 | 47° | 36° | 41° | — | — |
| 1991 | 59° | 47° | 53° | — | — |
| 1990 | 55° | 35° | 45° | — | — |
| 1989 | 54° | 39° | 46° | — | — |
| 1988 | 51° | 34° | 42° | — | — |
| 1987 | 50° | 37° | 44° | — | — |
| 1986 | 54° | 45° | 49° | 0.03" | — |
| 1985 | 50° | 35° | 43° | — | — |
| 1984 | 48° | 41° | 45° | 0.61" | — |
| 1983 | 60° | 52° | 56° | 0.15" | — |
| 1982 | 48° | 40° | 44° | — | — |
| 1981 | 58° | 51° | 54° | 0.08" | — |
| 1980 | 61° | 45° | 53° | — | — |
| 1979 | 55° | 38° | 46° | — | — |
| 1978coldest | 50° | 32° | 41° | 0.03" | — |
| 1977 | 57° | 40° | 48° | 0.3" | — |
| 1976 | 56° | 32° | 44° | — | — |
| 1975 | 51° | 43° | 47° | — | — |
| 1974 | 54° | 32° | 43° | — | — |
| 1973 | 55° | 46° | 51° | 0.91" | — |
| 1972 | — | 28° | — | — | — |
| 1971 | 51° | 39° | 45° | 0.2" | — |
San Mateo, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Mateo, CA Monthly Precipitation
Average rainfall per month, in inches.
San Mateo, 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 San Mateo, CA
San Mateo, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.