Weather on December 1
San Leandro, CA
55 Years of Data
Avg High
59°F
Avg Low
45°F
Warmest
1994
64°F avg
Coldest
2007
43°F avg
About This Date
December 1st in San Leandro, CA typically brings cool winter weather, with average highs around 59°F and lows near 45°F. Over 53 years of records, the warmest December 1st was in 1994 (64°F average), while the coldest was 2007 (43°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 11% of December 1st dates historically, with the wettest December 1st recording 4.32" 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 1st in San Leandro, CA? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 46° | 39° | 43° | — | — |
| 2024 | 59° | 50° | 55° | — | — |
| 2023 | 56° | 43° | 49° | — | — |
| 2022 | 47° | 39° | 43° | — | — |
| 2021 | 65° | 54° | 59° | — | — |
| 2020 | 61° | 49° | 55° | — | — |
| 2019 | 53° | 49° | 51° | — | — |
| 2018 | 53° | 44° | 49° | — | — |
| 2017 | 57° | 48° | 53° | — | — |
| 2016 | 54° | 43° | 48° | — | — |
| 2015 | 55° | 43° | 49° | — | — |
| 2014 | 57° | 51° | 54° | — | — |
| 2013 | 66° | 52° | 59° | — | — |
| 2012 | 57° | 52° | 54° | — | — |
| 2011 | 60° | 49° | 54° | — | — |
| 2010 | 53° | 39° | 46° | — | — |
| 2009 | 62° | 47° | 54° | — | — |
| 2008 | 57° | 45° | 51° | — | — |
| 2007coldest | 50° | 35° | 43° | — | — |
| 2006 | 58° | 38° | 48° | — | — |
| 2005 | 56° | 46° | 51° | — | — |
| 2004 | 55° | 38° | 46° | — | — |
| 2003 | 55° | 48° | 52° | — | — |
| 2002 | 60° | 48° | 54° | — | — |
| 2001 | 50° | 45° | 47° | — | — |
| 2000 | 56° | 46° | 51° | — | — |
| 1999 | 58° | 44° | 51° | — | — |
| 1998 | 58° | 44° | 51° | — | — |
| 1997 | 60° | 45° | 52° | — | — |
| 1996 | 58° | 47° | 52° | — | — |
| 1995 | 59° | 51° | 55° | — | — |
| 1994warmest | 68° | 59° | 64° | — | — |
| 1993 | 59° | 45° | 52° | — | — |
| 1992 | 65° | 49° | 57° | — | — |
| 1989 | 64° | 46° | 55° | — | — |
| 1988 | 66° | 47° | 56° | — | — |
| 1987 | 55° | 51° | 53° | 1.3" | — |
| 1986 | 60° | 48° | 54° | — | — |
| 1985 | 56° | 43° | 49° | — | — |
| 1984 | 60° | 42° | 51° | — | — |
| 1983 | 58° | 48° | 53° | 0.13" | — |
| 1982 | 54° | 43° | 48° | 0.38" | — |
| 1981 | 58° | 43° | 50° | — | — |
| 1980 | 63° | 40° | 51° | 0.13" | — |
| 1979 | 66° | 45° | 55° | — | — |
| 1978 | 57° | 48° | 53° | 1.02" | — |
| 1977 | 73° | 49° | 61° | — | — |
| 1976 | 68° | 36° | 52° | — | — |
| 1975 | 57° | 37° | 47° | — | — |
| 1974 | 60° | 41° | 51° | — | — |
| 1973 | 60° | 42° | 51° | 4.32" | — |
| 1972 | 64° | 36° | 50° | — | — |
| 1971 | 60° | 37° | 49° | — | — |
53 years of data from UPPER SAN LEANDRO FILTERS