Weather on May 15
San Francisco, CA
55 Years of Data
Avg High
64°F
Avg Low
52°F
Warmest
2008
82°F avg
Coldest
2011
51°F avg
About This Date
May 15th in San Francisco, CA typically brings mild spring weather, with average highs around 64°F and lows near 52°F. Over 55 years of records, the warmest May 15th was in 2008 (82°F average), while the coldest was 2011 (51°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 15% of May 15th dates historically, with the wettest May 15th recording 2.92" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for May 15th in San Francisco, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 51° | 57° | — | — |
| 2024 | 61° | 51° | 56° | — | — |
| 2023 | 63° | 53° | 58° | — | — |
| 2022 | 61° | 51° | 56° | — | — |
| 2021 | 56° | 49° | 52° | — | — |
| 2020 | 65° | 54° | 59° | 0.03" | — |
| 2019 | 63° | 53° | 58° | 1.32" | — |
| 2018 | 63° | 54° | 58° | — | — |
| 2017 | 61° | 49° | 55° | — | — |
| 2016 | 65° | 54° | 59° | — | — |
| 2015 | 60° | 51° | 56° | — | — |
| 2014 | 75° | 56° | 65° | — | — |
| 2013 | 59° | 50° | 55° | — | — |
| 2012 | 57° | 50° | 54° | — | — |
| 2011coldest | 58° | 45° | 51° | 0.15" | — |
| 2010 | 59° | 49° | 54° | — | — |
| 2009 | 62° | 51° | 57° | — | — |
| 2008warmest | 97° | 68° | 82° | — | — |
| 2007 | 57° | 49° | 53° | — | — |
| 2006 | 69° | 54° | 61° | — | — |
| 2005 | 65° | 57° | 61° | 0.05" | — |
| 2004 | 63° | 50° | 56° | — | — |
| 2003 | 61° | 50° | 55° | — | — |
| 2002 | 62° | 48° | 55° | — | — |
| 2001 | 65° | 54° | 59° | — | — |
| 2000 | 63° | 52° | 57° | 0.43" | — |
| 1999 | 61° | 44° | 52° | — | — |
| 1998 | 62° | 52° | 57° | — | — |
| 1997 | 78° | 57° | 68° | — | — |
| 1996 | 65° | 58° | 61° | 2.92" | — |
| 1995 | 67° | 51° | 59° | 0.13" | — |
| 1994 | 63° | 52° | 57° | 0.1" | — |
| 1993 | 69° | 54° | 61° | — | — |
| 1992 | 64° | 55° | 60° | — | — |
| 1991 | 68° | 49° | 58° | — | — |
| 1990 | 64° | 48° | 56° | — | — |
| 1989 | 66° | 52° | 59° | — | — |
| 1988 | 64° | 52° | 58° | — | — |
| 1987 | 66° | 54° | 60° | — | — |
| 1986 | 70° | 52° | 61° | — | — |
| 1985 | 80° | 53° | 67° | — | — |
| 1984 | 62° | 48° | 55° | — | — |
| 1983 | 67° | 52° | 59° | — | — |
| 1982 | 59° | 48° | 54° | — | — |
| 1981 | 58° | 50° | 54° | — | — |
| 1980 | 62° | 50° | 56° | — | — |
| 1979 | 55° | 50° | 53° | — | — |
| 1978 | 61° | 53° | 57° | — | — |
| 1977 | 59° | 49° | 54° | — | — |
| 1976 | 79° | 51° | 65° | — | — |
| 1975 | 58° | 51° | 54° | — | — |
| 1974 | 56° | 49° | 52° | — | — |
| 1973 | 65° | 53° | 59° | — | — |
| 1972 | 65° | 48° | 56° | — | — |
| 1971 | 61° | 50° | 55° | — | — |
55 years of data from SAN FRANCISCO DWTN