Weather on May 15
San Francisco, CA
55 Years of Data
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 56 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 14% of May 15th dates historically, with the wettest May 15th recording 2.92" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°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 |
|---|---|---|---|---|---|
| 2026 | 65° | 51° | 58° | — | — |
| 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° | — | — |
San Francisco, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Francisco, CA Monthly Precipitation
Average rainfall per month, in inches.
San Francisco, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Francisco, CA
Most pleasant months in San Francisco, CA: July, August.