Weather on April 20
San Leandro, CA
55 Years of Data
Avg High
66°F
Avg Low
46°F
Warmest
2009
78°F avg
Coldest
1995
31°F avg
About This Date
April 20th in San Leandro, CA typically brings mild spring weather, with average highs around 66°F and lows near 46°F. Over 51 years of records, the warmest April 20th was in 2009 (78°F average), while the coldest was 1995 (31°F) — a 47°F range across recorded history. Rain or other precipitation has occurred on about 4% of April 20th dates historically, with the wettest April 20th recording 0.91" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for April 20th in San Leandro, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 45° | 57° | — | — |
| 2024 | 68° | 47° | 57° | — | — |
| 2023 | 66° | 43° | 54° | — | — |
| 2022 | 63° | 46° | 54° | — | — |
| 2021 | 59° | 45° | 52° | — | — |
| 2020 | 56° | 46° | 51° | — | — |
| 2019 | 57° | 46° | 52° | — | — |
| 2018 | 68° | 47° | 57° | — | — |
| 2017 | 68° | 49° | 58° | — | — |
| 2016 | 70° | 54° | 62° | — | — |
| 2015 | 59° | 48° | 54° | — | — |
| 2014 | 74° | 48° | 61° | — | — |
| 2013 | 74° | 51° | 62° | — | — |
| 2012 | 82° | 59° | 71° | — | — |
| 2011 | 59° | 47° | 53° | — | — |
| 2010 | 53° | 43° | 48° | — | — |
| 2009warmest | 95° | 61° | 78° | — | — |
| 2008 | 56° | 40° | 48° | — | — |
| 2007 | 62° | 42° | 52° | — | — |
| 2006 | 67° | 47° | 57° | — | — |
| 2005 | 63° | 46° | 54° | — | — |
| 2004 | 60° | 51° | 56° | — | — |
| 2003 | 60° | 47° | 53° | — | — |
| 2002 | 57° | 45° | 51° | — | — |
| 2001 | 50° | 39° | 45° | — | — |
| 2000 | 69° | 47° | 58° | — | — |
| 1999 | 62° | 46° | 54° | — | — |
| 1998 | 72° | 48° | 60° | — | — |
| 1997 | 64° | 55° | 60° | — | — |
| 1996 | 59° | 44° | 52° | — | — |
| 1995coldest | 61° | 1° | 31° | — | — |
| 1994 | 62° | 48° | 55° | — | — |
| 1993 | 69° | 51° | 60° | — | — |
| 1989 | 74° | 54° | 64° | — | — |
| 1987 | 74° | 48° | 61° | — | — |
| 1986 | 80° | 54° | 67° | — | — |
| 1985 | 62° | 44° | 53° | — | — |
| 1984 | 59° | 42° | 51° | — | — |
| 1983 | 69° | 52° | 60° | 0.91" | — |
| 1982 | 78° | 60° | 69° | — | — |
| 1981 | 59° | 47° | 53° | — | — |
| 1980 | 69° | 55° | 62° | — | — |
| 1979 | 63° | 39° | 51° | — | — |
| 1978 | 66° | 48° | 57° | 0.18" | — |
| 1977 | 81° | 45° | 63° | — | — |
| 1976 | 74° | 39° | 56° | — | — |
| 1975 | 61° | 42° | 51° | — | — |
| 1974 | 69° | 41° | 55° | — | — |
| 1973 | 65° | 44° | 54° | — | — |
| 1972 | 68° | 40° | 54° | — | — |
| 1971 | 58° | 42° | 50° | — | — |
51 years of data from UPPER SAN LEANDRO FILTERS