Weather on December 19
San Leandro, CA
55 Years of Data
Avg High
56°F
Avg Low
43°F
Warmest
1995
61°F avg
Coldest
2022
36°F avg
About This Date
December 19th in San Leandro, CA typically brings cool winter weather, with average highs around 56°F and lows near 43°F. Over 53 years of records, the warmest December 19th was in 1995 (61°F average), while the coldest was 2022 (36°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 19th dates historically, with the wettest December 19th recording 1.57" of rain. The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
Planning for December 19th in San Leandro, CA? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 52° | 55° | — | — |
| 2024 | 52° | 42° | 47° | — | — |
| 2023 | 57° | 54° | 55° | — | — |
| 2022coldest | 39° | 33° | 36° | — | — |
| 2021 | 47° | 33° | 40° | — | — |
| 2020 | 51° | 41° | 46° | — | — |
| 2019 | 55° | 48° | 52° | — | — |
| 2018 | 55° | 50° | 53° | — | — |
| 2017 | 56° | 46° | 51° | — | — |
| 2016 | 49° | 38° | 43° | — | — |
| 2015 | 50° | 42° | 46° | — | — |
| 2014 | 52° | 50° | 51° | — | — |
| 2013 | 55° | 40° | 47° | — | — |
| 2012 | 48° | 34° | 41° | — | — |
| 2011 | 57° | 39° | 48° | — | — |
| 2010 | 54° | 45° | 49° | — | — |
| 2009 | 52° | 42° | 47° | — | — |
| 2008 | 55° | 39° | 47° | 0.58" | — |
| 2007 | 55° | 43° | 49° | — | — |
| 2006 | 54° | 31° | 42° | — | — |
| 2005 | 59° | 53° | 56° | — | — |
| 2004 | 59° | 44° | 52° | — | — |
| 2003 | 58° | 45° | 51° | — | — |
| 2002 | 48° | 37° | 43° | — | — |
| 2001 | 54° | 43° | 48° | — | — |
| 2000 | 64° | 45° | 54° | — | — |
| 1999 | 68° | 48° | 58° | — | — |
| 1998 | 51° | 36° | 43° | — | — |
| 1997 | 59° | 44° | 52° | — | — |
| 1996 | 56° | 45° | 50° | — | — |
| 1995warmest | 66° | 56° | 61° | — | — |
| 1994 | 62° | 55° | 59° | — | — |
| 1993 | 51° | 41° | 46° | — | — |
| 1992 | 50° | 38° | 44° | — | — |
| 1989 | 58° | 40° | 49° | — | — |
| 1988 | 56° | 43° | 49° | 0.03" | — |
| 1987 | 58° | 40° | 49° | — | — |
| 1986 | 62° | 44° | 53° | 1.35" | — |
| 1985 | 62° | 38° | 50° | — | — |
| 1984 | 53° | 40° | 46° | 0.08" | — |
| 1983 | 53° | 50° | 52° | — | — |
| 1982 | 60° | 42° | 51° | — | — |
| 1981 | 60° | 52° | 56° | 1.3" | — |
| 1980 | 56° | 50° | 53° | — | — |
| 1979 | 61° | 44° | 52° | 0.2" | — |
| 1978 | 50° | 37° | 44° | 0.05" | — |
| 1977 | 56° | 40° | 48° | — | — |
| 1976 | 71° | 46° | 59° | — | — |
| 1975 | 62° | 37° | 50° | — | — |
| 1974 | 53° | 37° | 45° | — | — |
| 1973 | 62° | 37° | 50° | — | — |
| 1972 | 60° | 45° | 52° | 1.57" | — |
| 1971 | 58° | 38° | 48° | — | — |
53 years of data from UPPER SAN LEANDRO FILTERS