Weather on May 27
San Mateo, CA
55 Years of Data
Avg High
68°F
Avg Low
52°F
Warmest
1984
74°F avg
Coldest
1971
54°F avg
About This Date
May 27th 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 27th was in 1984 (74°F average), while the coldest was 1971 (54°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 15% of May 27th dates historically, with the wettest May 27th recording 2.34" 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 27th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 51° | 60° | — | — |
| 2024 | 65° | 52° | 58° | — | — |
| 2023 | 68° | 54° | 61° | — | — |
| 2022 | 70° | 56° | 63° | — | — |
| 2021 | 68° | 53° | 61° | — | — |
| 2020 | 78° | 55° | 67° | — | — |
| 2019 | 62° | 52° | 57° | — | — |
| 2018 | 74° | 53° | 63° | — | — |
| 2017 | 67° | 54° | 60° | — | — |
| 2016 | 73° | 53° | 63° | — | — |
| 2015 | 64° | 53° | 59° | — | — |
| 2014 | 68° | 54° | 61° | — | — |
| 2013 | 62° | 54° | 58° | 0.03" | — |
| 2012 | 61° | 52° | 56° | — | — |
| 2011 | 63° | 53° | 58° | — | — |
| 2010 | 63° | 53° | 58° | 1.07" | — |
| 2009 | 68° | 52° | 60° | — | — |
| 2008 | 63° | 51° | 57° | — | — |
| 2007 | 64° | 51° | 58° | — | — |
| 2006 | 63° | 50° | 56° | 0.08" | — |
| 2005 | 65° | 56° | 60° | — | — |
| 2004 | 69° | 58° | 63° | — | — |
| 2003 | 81° | 54° | 67° | — | — |
| 2002 | 67° | 53° | 60° | — | — |
| 2001 | 62° | 51° | 57° | — | — |
| 2000 | 68° | 54° | 61° | — | — |
| 1999 | 60° | 50° | 55° | — | — |
| 1998 | 60° | 51° | 56° | 1.24" | — |
| 1997 | 79° | 61° | 70° | — | — |
| 1996 | 67° | 51° | 59° | — | — |
| 1995 | 61° | 51° | 56° | — | — |
| 1994 | 69° | 51° | 60° | — | — |
| 1993 | 71° | 57° | 64° | 0.08" | — |
| 1992 | 75° | 55° | 65° | — | — |
| 1991 | 68° | 47° | 57° | — | — |
| 1990 | 62° | 56° | 59° | 2.34" | — |
| 1989 | 62° | 51° | 57° | — | — |
| 1988 | 71° | 54° | 62° | — | — |
| 1987 | 62° | 52° | 57° | — | — |
| 1986 | 62° | 52° | 57° | — | — |
| 1985 | 60° | 52° | 56° | 0.03" | — |
| 1984warmest | 97° | 52° | 74° | — | — |
| 1983 | 64° | 52° | 58° | — | — |
| 1982 | 67° | 49° | 58° | — | — |
| 1981 | 69° | 53° | 61° | — | — |
| 1980 | 63° | 50° | 56° | — | — |
| 1979 | 65° | 51° | 58° | — | — |
| 1978 | 84° | 51° | 68° | — | — |
| 1977 | 69° | 50° | 60° | — | — |
| 1976 | 86° | 47° | 66° | — | — |
| 1975 | 88° | 51° | 69° | — | — |
| 1974 | — | 46° | — | — | — |
| 1973 | 74° | 53° | 63° | — | — |
| 1972 | 67° | 47° | 57° | — | — |
| 1971coldest | 60° | 49° | 54° | 0.1" | — |
55 years of data from BURLINGAME