Weather on May 1
San Francisco, CA
55 Years of Data
Avg High
65°F
Avg Low
51°F
Warmest
1996
75°F avg
Coldest
1975
51°F avg
About This Date
May 1st 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 1st was in 1996 (75°F average), while the coldest was 1975 (51°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 18% of May 1st dates historically, with the wettest May 1st recording 1.45" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for May 1st in San Francisco, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 50° | 55° | — | — |
| 2024 | 68° | 49° | 58° | — | — |
| 2023 | 55° | 48° | 52° | — | — |
| 2022 | 62° | 48° | 55° | — | — |
| 2021 | 57° | 50° | 54° | 0.03" | — |
| 2020 | 65° | 50° | 57° | — | — |
| 2019 | 64° | 51° | 58° | — | — |
| 2018 | 62° | 49° | 55° | — | — |
| 2017 | 81° | 55° | 68° | — | — |
| 2016 | 78° | 53° | 66° | — | — |
| 2015 | 68° | 53° | 61° | — | — |
| 2014 | 84° | 62° | 73° | — | — |
| 2013 | 75° | 56° | 65° | — | — |
| 2012 | 59° | 49° | 54° | — | — |
| 2011 | 75° | 51° | 63° | — | — |
| 2010 | 64° | 49° | 56° | — | — |
| 2009 | 64° | 47° | 55° | 0.58" | — |
| 2008 | 65° | 47° | 56° | — | — |
| 2007 | 60° | 49° | 54° | — | — |
| 2006 | 68° | 49° | 58° | — | — |
| 2005 | 64° | 53° | 59° | — | — |
| 2004 | 66° | 50° | 58° | — | — |
| 2003 | 67° | 53° | 60° | 1.45" | — |
| 2002 | 61° | 48° | 54° | — | — |
| 2001 | 66° | 51° | 59° | — | — |
| 2000 | 62° | 49° | 55° | — | — |
| 1999 | 56° | 48° | 52° | — | — |
| 1998 | 62° | 57° | 60° | 0.1" | — |
| 1997 | 65° | 47° | 56° | — | — |
| 1996warmest | 88° | 63° | 75° | — | — |
| 1995 | 65° | 56° | 60° | 0.86" | — |
| 1994 | 62° | 50° | 56° | — | — |
| 1993 | 83° | 54° | 68° | — | — |
| 1992 | 74° | 52° | 63° | — | — |
| 1991 | 59° | 47° | 53° | 0.2" | — |
| 1990 | 84° | 56° | 70° | — | — |
| 1989 | 71° | 51° | 61° | — | — |
| 1988 | 64° | 47° | 55° | — | — |
| 1987 | 63° | 52° | 57° | 0.08" | — |
| 1986 | 65° | 52° | 58° | — | — |
| 1985 | 60° | 50° | 55° | — | — |
| 1984 | 58° | 48° | 53° | 0.41" | — |
| 1983 | 62° | 50° | 56° | — | — |
| 1982 | 55° | 48° | 52° | — | — |
| 1981 | 61° | 50° | 55° | — | — |
| 1980 | 63° | 52° | 57° | — | — |
| 1979 | 61° | 53° | 57° | — | — |
| 1978 | 66° | 52° | 59° | — | — |
| 1977 | 63° | 55° | 59° | 0.2" | — |
| 1976 | 63° | 51° | 57° | — | — |
| 1975coldest | 53° | 48° | 51° | — | — |
| 1974 | 55° | 48° | 52° | — | — |
| 1973 | 55° | 48° | 52° | — | — |
| 1972 | 74° | 51° | 62° | — | — |
| 1971 | 59° | 50° | 55° | 0.1" | — |
55 years of data from SAN FRANCISCO DWTN