Weather on May 9
San Francisco, CA
55 Years of Data
Avg High
63°F
Avg Low
51°F
Warmest
1993
72°F avg
Coldest
2002
51°F avg
About This Date
May 9th in San Francisco, CA typically brings mild spring weather, with average highs around 63°F and lows near 51°F. Over 55 years of records, the warmest May 9th was in 1993 (72°F average), while the coldest was 2002 (51°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 9th dates historically, with the wettest May 9th recording 0.66" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for May 9th in San Francisco, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 51° | 60° | — | — |
| 2024 | 81° | 54° | 67° | — | — |
| 2023 | 61° | 52° | 56° | — | — |
| 2022 | 57° | 47° | 52° | — | — |
| 2021 | 70° | 52° | 61° | — | — |
| 2020 | 60° | 51° | 56° | — | — |
| 2019 | 62° | 53° | 58° | — | — |
| 2018 | 62° | 52° | 57° | — | — |
| 2017 | 67° | 51° | 59° | — | — |
| 2016 | 61° | 52° | 56° | — | — |
| 2015 | 60° | 51° | 56° | — | — |
| 2014 | 63° | 52° | 57° | — | — |
| 2013 | 58° | 51° | 54° | — | — |
| 2012 | 64° | 51° | 58° | — | — |
| 2011 | 61° | 47° | 54° | — | — |
| 2010 | 59° | 51° | 55° | — | — |
| 2009 | 68° | 51° | 60° | — | — |
| 2008 | 61° | 47° | 54° | — | — |
| 2007 | 63° | 50° | 56° | — | — |
| 2006 | 65° | 49° | 57° | — | — |
| 2005 | 62° | 53° | 58° | — | — |
| 2004 | 66° | 52° | 59° | — | — |
| 2003 | 60° | 46° | 53° | — | — |
| 2002coldest | 56° | 47° | 51° | — | — |
| 2001 | 69° | 52° | 60° | — | — |
| 2000 | 61° | 53° | 57° | — | — |
| 1999 | 59° | 46° | 53° | — | — |
| 1998 | 59° | 50° | 55° | — | — |
| 1997 | 70° | 52° | 61° | — | — |
| 1996 | 64° | 50° | 57° | — | — |
| 1995 | 59° | 53° | 56° | 0.41" | — |
| 1994 | 62° | 53° | 58° | — | — |
| 1993warmest | 91° | 54° | 72° | — | — |
| 1992 | 81° | 56° | 68° | — | — |
| 1991 | 64° | 48° | 56° | — | — |
| 1990 | 62° | 52° | 57° | — | — |
| 1989 | 60° | 52° | 56° | — | — |
| 1988 | 69° | 52° | 60° | — | — |
| 1987 | 70° | 54° | 62° | — | — |
| 1986 | 80° | 54° | 67° | — | — |
| 1985 | 60° | 48° | 54° | — | — |
| 1984 | 65° | 51° | 58° | — | — |
| 1983 | 66° | 50° | 58° | — | — |
| 1982 | 56° | 48° | 52° | — | — |
| 1981 | 59° | 50° | 55° | — | — |
| 1980 | 57° | 50° | 54° | 0.66" | — |
| 1979 | 65° | 51° | 58° | — | — |
| 1978 | 57° | 49° | 53° | — | — |
| 1977 | 56° | 52° | 54° | 0.03" | — |
| 1976 | 57° | 50° | 54° | — | — |
| 1975 | 55° | 48° | 52° | — | — |
| 1974 | 58° | 50° | 54° | — | — |
| 1973 | 63° | 48° | 55° | — | — |
| 1972 | 59° | 49° | 54° | — | — |
| 1971 | 62° | 52° | 57° | — | — |
55 years of data from SAN FRANCISCO DWTN