Weather on May 12
San Francisco, CA
55 Years of Data
Avg High
65°F
Avg Low
51°F
Warmest
1976
79°F avg
Coldest
1998
51°F avg
About This Date
May 12th in San Francisco, CA typically brings mild spring weather, with average highs around 65°F and lows near 51°F. Over 55 years of records, the warmest May 12th was in 1976 (79°F average), while the coldest was 1998 (51°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 12th dates historically, with the wettest May 12th recording 2.9" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for May 12th in San Francisco, CA? Great weather for outdoor activities.
Cooling Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 52° | 57° | 0.38" | — |
| 2024 | 60° | 50° | 55° | — | — |
| 2023 | 63° | 51° | 57° | — | — |
| 2022 | 58° | 48° | 53° | — | — |
| 2021 | 60° | 48° | 54° | — | — |
| 2020 | 62° | 55° | 59° | 0.2" | — |
| 2019 | 59° | 53° | 56° | — | — |
| 2018 | 69° | 53° | 61° | — | — |
| 2017 | 60° | 51° | 56° | — | — |
| 2016 | 59° | 52° | 55° | — | — |
| 2015 | 60° | 49° | 54° | — | — |
| 2014 | 81° | 52° | 66° | — | — |
| 2013 | 62° | 52° | 57° | — | — |
| 2012 | 63° | 48° | 55° | — | — |
| 2011 | 61° | 49° | 55° | — | — |
| 2010 | 65° | 50° | 57° | — | — |
| 2009 | 64° | 48° | 56° | — | — |
| 2008 | 61° | 50° | 55° | — | — |
| 2007 | 58° | 49° | 53° | — | — |
| 2006 | 65° | 50° | 57° | — | — |
| 2005 | 65° | 53° | 59° | — | — |
| 2004 | 66° | 49° | 57° | — | — |
| 2003 | 66° | 50° | 58° | — | — |
| 2002 | 60° | 47° | 53° | — | — |
| 2001 | 65° | 53° | 59° | — | — |
| 2000 | 60° | 46° | 53° | — | — |
| 1999 | 59° | 48° | 54° | — | — |
| 1998coldest | 54° | 49° | 51° | 2.9" | — |
| 1997 | 71° | 50° | 61° | — | — |
| 1996 | 81° | 58° | 69° | — | — |
| 1995 | 59° | 50° | 55° | 0.48" | — |
| 1994 | 66° | 50° | 58° | — | — |
| 1993 | 64° | 50° | 57° | — | — |
| 1992 | 64° | 54° | 59° | — | — |
| 1991 | 60° | 51° | 56° | — | — |
| 1990 | 60° | 49° | 54° | — | — |
| 1989 | 65° | 49° | 57° | — | — |
| 1988 | 73° | 53° | 63° | 0.03" | — |
| 1987 | 77° | 53° | 65° | — | — |
| 1986 | 76° | 52° | 64° | — | — |
| 1985 | 66° | 47° | 56° | — | — |
| 1984 | 77° | 54° | 65° | — | — |
| 1983 | 61° | 52° | 56° | — | — |
| 1982 | 55° | 49° | 52° | — | — |
| 1981 | 66° | 51° | 59° | — | — |
| 1980 | 58° | 52° | 55° | — | — |
| 1979 | 81° | 61° | 71° | — | — |
| 1978 | 77° | 54° | 65° | — | — |
| 1977 | 60° | 49° | 54° | — | — |
| 1976warmest | 96° | 62° | 79° | — | — |
| 1975 | 79° | 54° | 66° | — | — |
| 1974 | 58° | 49° | 53° | — | — |
| 1973 | 57° | 50° | 54° | — | — |
| 1972 | 79° | 51° | 65° | — | — |
| 1971 | 58° | 50° | 54° | — | — |
55 years of data from SAN FRANCISCO DWTN