Weather on December 9
San Leandro, CA
55 Years of Data
About This Date
December 9th in San Leandro, CA typically brings cool winter weather, with average highs around 57°F and lows near 44°F. Over 53 years of records, the warmest December 9th was in 1988 (59°F average), while the coldest was 1972 (28°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 9th dates historically, with the wettest December 9th recording 1.47" 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 9th in San Leandro, CA? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 47° | 39° | 43° | — | — |
| 2024 | 57° | 47° | 52° | — | — |
| 2023 | 53° | 44° | 49° | — | — |
| 2022 | 50° | 41° | 46° | — | — |
| 2021 | 53° | 42° | 48° | — | — |
| 2020 | 59° | 48° | 54° | — | — |
| 2019 | 52° | 47° | 49° | — | — |
| 2018 | 49° | 40° | 44° | — | — |
| 2017 | 58° | 52° | 55° | — | — |
| 2016 | 57° | 53° | 55° | — | — |
| 2015 | 60° | 53° | 57° | — | — |
| 2014 | 61° | 53° | 57° | — | — |
| 2013 | 43° | 31° | 37° | — | — |
| 2012 | 61° | 49° | 55° | — | — |
| 2011 | 55° | 42° | 49° | — | — |
| 2010 | 59° | 53° | 56° | — | — |
| 2009 | 40° | 30° | 35° | — | — |
| 2008 | 59° | 39° | 49° | — | — |
| 2007 | 57° | 38° | 47° | — | — |
| 2006 | 64° | 53° | 59° | 0.84" | — |
| 2005 | 63° | 48° | 55° | — | — |
| 2004 | 63° | 53° | 58° | — | — |
| 2003 | 52° | 45° | 48° | — | — |
| 2002 | 54° | 47° | 50° | — | — |
| 2001 | 52° | 42° | 47° | — | — |
| 2000 | 54° | 49° | 51° | — | — |
| 1999 | 51° | 40° | 45° | — | — |
| 1998 | 54° | 43° | 48° | — | — |
| 1997 | 54° | 40° | 47° | — | — |
| 1996 | 56° | 52° | 54° | — | — |
| 1995 | 51° | 47° | 49° | — | — |
| 1994 | 62° | 51° | 57° | — | — |
| 1993 | 58° | 50° | 54° | — | — |
| 1992 | 56° | 52° | 54° | — | — |
| 1989 | 61° | 44° | 52° | — | — |
| 1988warmest | 70° | 48° | 59° | — | — |
| 1987 | 56° | 48° | 52° | 1.09" | — |
| 1986 | 61° | 41° | 51° | — | — |
| 1985 | 56° | 38° | 47° | — | — |
| 1984 | 66° | 48° | 57° | — | — |
| 1983 | 62° | 53° | 58° | 1.47" | — |
| 1982 | 60° | 45° | 52° | — | — |
| 1981 | 66° | 46° | 56° | — | — |
| 1980 | 58° | 39° | 48° | — | — |
| 1979 | 64° | 49° | 56° | — | — |
| 1978 | 52° | 32° | 42° | — | — |
| 1977 | 59° | 42° | 51° | — | — |
| 1976 | 66° | 44° | 55° | 0.05" | — |
| 1975 | 65° | 39° | 52° | — | — |
| 1974 | 54° | 39° | 46° | — | — |
| 1973 | 63° | 40° | 51° | — | — |
| 1972coldest | 38° | 18° | 28° | — | — |
| 1971 | 56° | 36° | 46° | 0.13" | — |
San Leandro, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Leandro, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Leandro, 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 Leandro, CA
Most pleasant months in San Leandro, CA: August.