Weather on November 20
San Marcos, CA
55 Years of Data
About This Date
November 20th in San Marcos, CA typically brings pleasant fall weather, with average highs around 73°F and lows near 46°F — a 27°F daily swing. Over 55 years of records, the warmest November 20th was in 1989 (74°F average), while the coldest was 1994 (46°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 20% of November 20th dates historically, with the wettest November 20th recording 2.67" of rain. The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for November 20th in San Marcos, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 46° | 55° | 0.46" | — |
| 2024 | 74° | 42° | 58° | — | — |
| 2023 | 80° | 48° | 64° | — | — |
| 2022 | 80° | 44° | 62° | — | — |
| 2021 | 72° | 51° | 61° | — | — |
| 2020 | 84° | 50° | 67° | — | — |
| 2019 | 63° | 54° | 58° | 2.67" | — |
| 2018 | 72° | 46° | 59° | — | — |
| 2017 | 78° | 46° | 62° | — | — |
| 2016 | 73° | 56° | 64° | — | — |
| 2015 | 84° | 47° | 65° | — | — |
| 2014 | 71° | 46° | 59° | — | — |
| 2013 | 65° | 56° | 60° | — | — |
| 2012 | 72° | 47° | 59° | — | — |
| 2011 | 61° | 51° | 56° | 0.05" | — |
| 2010 | 59° | 54° | 56° | 0.97" | — |
| 2009 | 66° | 48° | 57° | 0.03" | — |
| 2008 | 70° | 49° | 59° | 0.03" | — |
| 2007 | 59° | 51° | 55° | 0.03" | — |
| 2006 | 91° | 50° | 71° | — | — |
| 2005 | 86° | 55° | 71° | — | — |
| 2004 | 63° | 51° | 57° | — | — |
| 2003 | 74° | 46° | 60° | — | — |
| 2002 | 89° | 55° | 72° | — | — |
| 2001 | 81° | 49° | 65° | — | — |
| 2000 | 85° | 41° | 63° | — | — |
| 1999 | 66° | 48° | 57° | — | — |
| 1998 | 80° | 41° | 61° | — | — |
| 1997 | 73° | 58° | 65° | — | — |
| 1996 | 75° | 53° | 64° | — | — |
| 1995 | 81° | 46° | 63° | — | — |
| 1994coldest | 62° | 31° | 46° | — | — |
| 1993 | 79° | 43° | 61° | — | — |
| 1992 | 68° | 48° | 58° | — | — |
| 1991 | 80° | 43° | 61° | — | — |
| 1990 | 66° | 53° | 60° | 1.75" | — |
| 1989warmest | 87° | 61° | 74° | — | — |
| 1988 | 71° | 36° | 53° | — | — |
| 1987 | 82° | 42° | 62° | — | — |
| 1986 | 70° | 53° | 61° | 0.05" | — |
| 1985 | 70° | 42° | 56° | — | — |
| 1984 | 74° | 42° | 58° | — | — |
| 1983 | 67° | 48° | 57° | 1.65" | — |
| 1982 | 64° | 45° | 54° | 0.03" | — |
| 1981 | 75° | 46° | 61° | — | — |
| 1980 | 76° | 36° | 56° | — | — |
| 1979 | 65° | 35° | 50° | — | — |
| 1978 | 65° | 47° | 56° | — | — |
| 1977 | 63° | 41° | 52° | — | — |
| 1976 | 74° | 45° | 59° | — | — |
| 1975 | 68° | 32° | 50° | — | — |
| 1974 | 78° | 45° | 61° | — | — |
| 1973 | 65° | 35° | 50° | — | — |
| 1972 | 67° | 40° | 53° | — | — |
| 1971 | 61° | 43° | 52° | — | — |
San Marcos, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Marcos, CA Monthly Precipitation
Average rainfall per month, in inches.
San Marcos, 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 Marcos, CA
Most pleasant months in San Marcos, CA: June.