Weather on May 31
San Leandro, CA
55 Years of Data
Avg High
74°F
Avg Low
52°F
Warmest
2008
113°F avg
Coldest
2011
49°F avg
About This Date
May 31st in San Leandro, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 52°F. Over 52 years of records, the warmest May 31st was in 2008 (113°F average), while the coldest was 2011 (49°F) — a 64°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 31st dates historically, with the wettest May 31st recording 1.3" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for May 31st in San Leandro, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 53° | 70° | — | — |
| 2024 | 82° | 49° | 65° | — | — |
| 2023 | 62° | 47° | 54° | — | — |
| 2022 | 77° | 46° | 62° | — | — |
| 2021 | 85° | 60° | 72° | — | — |
| 2020 | 66° | 52° | 59° | — | — |
| 2019 | 74° | 48° | 61° | — | — |
| 2018 | 62° | 47° | 54° | — | — |
| 2017 | 69° | 49° | 59° | — | — |
| 2016 | 84° | 58° | 71° | — | — |
| 2015 | 61° | 47° | 54° | — | — |
| 2014 | 70° | 48° | 59° | — | — |
| 2013 | 81° | 50° | 65° | — | — |
| 2012 | 84° | 48° | 66° | — | — |
| 2011coldest | 51° | 47° | 49° | — | — |
| 2010 | 66° | 49° | 57° | — | — |
| 2009 | 64° | 54° | 59° | — | — |
| 2008warmest | 130° | 97° | 113° | — | — |
| 2007 | 67° | 47° | 57° | — | — |
| 2006 | 69° | 55° | 62° | — | — |
| 2005 | 77° | 53° | 65° | — | — |
| 2004 | 81° | 50° | 65° | — | — |
| 2003 | 71° | 50° | 61° | — | — |
| 2002 | 73° | 50° | 62° | — | — |
| 2001 | 95° | 71° | 83° | — | — |
| 2000 | 78° | 48° | 63° | — | — |
| 1999 | 61° | 48° | 54° | — | — |
| 1998 | 68° | 51° | 60° | — | — |
| 1997 | 82° | 60° | 71° | — | — |
| 1996 | 74° | 47° | 60° | — | — |
| 1995 | 80° | 64° | 72° | — | — |
| 1994 | 67° | 58° | 62° | — | — |
| 1993 | 68° | 55° | 62° | — | — |
| 1989 | 73° | 48° | 61° | — | — |
| 1988 | 68° | 44° | 56° | — | — |
| 1987 | 70° | 57° | 63° | 0.25" | — |
| 1986 | 68° | 52° | 60° | — | — |
| 1985 | 70° | 48° | 59° | 1.3" | — |
| 1984 | 79° | 50° | 64° | — | — |
| 1983 | 70° | 54° | 62° | — | — |
| 1982 | 65° | 53° | 59° | — | — |
| 1981 | 68° | 52° | 60° | — | — |
| 1980 | 60° | 52° | 56° | — | — |
| 1979 | 87° | 53° | 70° | — | — |
| 1978 | 94° | 58° | 76° | — | — |
| 1977 | 82° | 48° | 65° | — | — |
| 1976 | 64° | 48° | 56° | — | — |
| 1975 | 83° | 50° | 66° | — | — |
| 1974 | 74° | 41° | 57° | — | — |
| 1973 | 69° | 58° | 63° | — | — |
| 1972 | 67° | 48° | 57° | — | — |
| 1971 | 63° | 42° | 52° | — | — |
52 years of data from UPPER SAN LEANDRO FILTERS