Weather on May 17
San Mateo, CA
55 Years of Data
Avg High
68°F
Avg Low
52°F
Warmest
1997
80°F avg
Coldest
1977
52°F avg
About This Date
May 17th in San Mateo, CA typically brings mild spring weather, with average highs around 68°F and lows near 52°F. Over 55 years of records, the warmest May 17th was in 1997 (80°F average), while the coldest was 1977 (52°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 11% of May 17th dates historically, with the wettest May 17th recording 0.61" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 17th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 52° | 57° | — | — |
| 2024 | 70° | 54° | 62° | — | — |
| 2023 | 64° | 53° | 59° | — | — |
| 2022 | 66° | 51° | 59° | — | — |
| 2021 | 62° | 53° | 58° | — | — |
| 2020 | 73° | 55° | 64° | 0.41" | — |
| 2019 | 63° | 52° | 57° | — | — |
| 2018 | 65° | 55° | 60° | — | — |
| 2017 | 66° | 50° | 58° | — | — |
| 2016 | 87° | 54° | 70° | — | — |
| 2015 | 62° | 55° | 59° | — | — |
| 2014 | 67° | 57° | 62° | — | — |
| 2013 | 64° | 53° | 59° | — | — |
| 2012 | 61° | 50° | 55° | — | — |
| 2011 | 57° | 50° | 54° | 0.28" | — |
| 2010 | 59° | 52° | 55° | 0.15" | — |
| 2009 | 93° | 54° | 73° | — | — |
| 2008 | 78° | 61° | 69° | — | — |
| 2007 | 61° | 49° | 55° | — | — |
| 2006 | 61° | 51° | 56° | — | — |
| 2005 | 66° | 55° | 61° | — | — |
| 2004 | 65° | 54° | 59° | — | — |
| 2003 | 65° | 49° | 57° | — | — |
| 2002 | 64° | 51° | 58° | — | — |
| 2001 | 69° | 51° | 60° | — | — |
| 2000 | 67° | 52° | 59° | — | — |
| 1999 | 64° | 48° | 56° | — | — |
| 1998 | 65° | 48° | 56° | — | — |
| 1997warmest | 93° | 66° | 80° | — | — |
| 1996 | 68° | 58° | 63° | 0.36" | — |
| 1995 | 64° | 50° | 57° | — | — |
| 1994 | 62° | 51° | 57° | 0.61" | — |
| 1993 | 69° | 52° | 60° | — | — |
| 1992 | 73° | 53° | 63° | — | — |
| 1991 | 59° | 49° | 54° | — | — |
| 1990 | 59° | 51° | 55° | — | — |
| 1989 | 65° | 50° | 57° | — | — |
| 1988 | 65° | 51° | 58° | — | — |
| 1987 | 67° | 54° | 60° | — | — |
| 1986 | 80° | 49° | 64° | — | — |
| 1985 | 69° | 53° | 61° | — | — |
| 1984 | 67° | 50° | 58° | — | — |
| 1983 | 81° | 49° | 65° | — | — |
| 1982 | 60° | 48° | 54° | — | — |
| 1981 | 68° | 50° | 59° | 0.1" | — |
| 1980 | 73° | 47° | 60° | — | — |
| 1979 | 77° | 48° | 63° | — | — |
| 1978 | 86° | 53° | 70° | — | — |
| 1977coldest | 62° | 42° | 52° | — | — |
| 1976 | 71° | 47° | 59° | — | — |
| 1975 | 84° | 47° | 65° | — | — |
| 1974 | — | 46° | — | — | — |
| 1973 | 74° | 51° | 62° | — | — |
| 1972 | 62° | 52° | 57° | — | — |
| 1971 | 68° | 49° | 58° | — | — |
55 years of data from BURLINGAME