Weather on November 20
San Mateo, CA
55 Years of Data
Avg High
62°F
Avg Low
47°F
Warmest
2001
64°F avg
Coldest
1977
44°F avg
About This Date
November 20th in San Mateo, CA typically brings mild fall weather, with average highs around 62°F and lows near 47°F. Over 55 years of records, the warmest November 20th was in 2001 (64°F average), while the coldest was 1977 (44°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 31% of November 20th dates historically, with the wettest November 20th recording 2.59" 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 November 20th in San Mateo, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 51° | 56° | 0.58" | — |
| 2024 | 64° | 51° | 58° | 0.71" | — |
| 2023 | 69° | 52° | 60° | — | — |
| 2022 | 63° | 43° | 53° | — | — |
| 2021 | 66° | 51° | 59° | — | — |
| 2020 | 65° | 45° | 55° | — | — |
| 2019 | 67° | 52° | 59° | — | — |
| 2018 | 61° | 44° | 52° | — | — |
| 2017 | 63° | 55° | 59° | — | — |
| 2016 | 60° | 54° | 57° | 0.51" | — |
| 2015 | 68° | 52° | 60° | — | — |
| 2014 | 60° | 53° | 57° | 0.51" | — |
| 2013 | 59° | 51° | 55° | 1.6" | — |
| 2012 | 66° | 57° | 62° | 0.43" | — |
| 2011 | 55° | 48° | 52° | 0.43" | — |
| 2010 | 55° | 45° | 50° | 1.83" | — |
| 2009 | 60° | 46° | 53° | 0.46" | — |
| 2008 | 63° | 51° | 57° | — | — |
| 2007 | 62° | 45° | 53° | — | — |
| 2006 | 61° | 53° | 57° | — | — |
| 2005 | 69° | 46° | 58° | — | — |
| 2004 | 67° | 47° | 57° | — | — |
| 2003 | 59° | 50° | 55° | — | — |
| 2002 | 68° | 50° | 59° | — | — |
| 2001warmest | 68° | 59° | 64° | — | — |
| 2000 | 61° | 40° | 50° | — | — |
| 1999 | 60° | 48° | 54° | 0.03" | — |
| 1998 | 60° | 42° | 51° | — | — |
| 1997 | 62° | 48° | 55° | — | — |
| 1996 | 60° | 53° | 57° | — | — |
| 1995 | 68° | 49° | 58° | — | — |
| 1994 | 54° | 40° | 47° | — | — |
| 1993 | 65° | 43° | 54° | — | — |
| 1992 | 62° | 43° | 52° | — | — |
| 1991 | 61° | 48° | 54° | — | — |
| 1990 | 56° | 48° | 52° | — | — |
| 1989 | 69° | 49° | 59° | — | — |
| 1988 | 57° | 46° | 52° | — | — |
| 1987 | 61° | 54° | 57° | 0.97" | — |
| 1986 | 67° | 47° | 57° | 0.05" | — |
| 1985 | 51° | 44° | 48° | 0.08" | — |
| 1984 | 57° | 44° | 51° | 0.23" | — |
| 1983 | 58° | 46° | 52° | 0.64" | — |
| 1982 | 58° | 42° | 50° | — | — |
| 1981 | 60° | 54° | 57° | — | — |
| 1980 | 65° | 42° | 53° | — | — |
| 1979 | 59° | 41° | 50° | — | — |
| 1978 | 58° | 52° | 55° | 2.59" | — |
| 1977coldest | 55° | 33° | 44° | — | — |
| 1976 | 62° | 46° | 54° | — | — |
| 1975 | 56° | 47° | 51° | — | — |
| 1974 | 65° | 46° | 55° | — | — |
| 1973 | 57° | 44° | 51° | 0.33" | — |
| 1972 | 64° | 42° | 53° | — | — |
| 1971 | 61° | 38° | 49° | — | — |
55 years of data from BURLINGAME