Weather on May 22
San Mateo, CA
55 Years of Data
Avg High
68°F
Avg Low
51°F
Warmest
2000
69°F avg
Coldest
2010
54°F avg
About This Date
May 22nd in San Mateo, CA typically brings mild spring weather, with average highs around 68°F and lows near 51°F. Over 55 years of records, the warmest May 22nd was in 2000 (69°F average), while the coldest was 2010 (54°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 22nd dates historically. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for May 22nd in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 52° | 58° | — | — |
| 2024 | 68° | 54° | 61° | — | — |
| 2023 | 71° | 52° | 61° | — | — |
| 2022 | 68° | 51° | 60° | — | — |
| 2021 | 70° | 49° | 59° | — | — |
| 2020 | 67° | 52° | 59° | — | — |
| 2019 | 67° | 52° | 59° | — | — |
| 2018 | 61° | 54° | 57° | — | — |
| 2017 | 70° | 51° | 60° | — | — |
| 2016 | 65° | 55° | 60° | — | — |
| 2015 | 64° | 56° | 60° | 0.03" | — |
| 2014 | 70° | 54° | 62° | — | — |
| 2013 | 62° | 48° | 55° | — | — |
| 2012 | 64° | 52° | 58° | — | — |
| 2011 | 61° | 51° | 56° | — | — |
| 2010coldest | 61° | 48° | 54° | — | — |
| 2009 | 67° | 50° | 58° | — | — |
| 2008 | 65° | 49° | 57° | — | — |
| 2007 | 72° | 50° | 61° | — | — |
| 2006 | 68° | 52° | 60° | — | — |
| 2005 | 69° | 54° | 61° | — | — |
| 2004 | 62° | 55° | 59° | — | — |
| 2003 | 63° | 50° | 56° | — | — |
| 2002 | 64° | 51° | 58° | — | — |
| 2001 | 70° | 53° | 61° | — | — |
| 2000warmest | 81° | 58° | 69° | — | — |
| 1999 | 77° | 50° | 64° | — | — |
| 1998 | 64° | 51° | 58° | — | — |
| 1997 | 70° | 56° | 63° | — | — |
| 1996 | 65° | 52° | 58° | — | — |
| 1995 | 62° | 52° | 57° | — | — |
| 1994 | 68° | 51° | 60° | — | — |
| 1993 | 78° | 54° | 66° | — | — |
| 1992 | 74° | 51° | 62° | — | — |
| 1991 | 67° | 50° | 58° | — | — |
| 1990 | 70° | 58° | 64° | 0.1" | — |
| 1989 | 67° | 49° | 58° | — | — |
| 1988 | 64° | 50° | 57° | — | — |
| 1987 | 67° | 51° | 59° | — | — |
| 1986 | 71° | 47° | 59° | — | — |
| 1985 | 74° | 53° | 63° | — | — |
| 1984 | 82° | 50° | 66° | — | — |
| 1983 | 67° | 51° | 59° | — | — |
| 1982 | 69° | 48° | 59° | — | — |
| 1981 | 70° | 50° | 60° | — | — |
| 1980 | 61° | 49° | 55° | — | — |
| 1979 | 70° | 58° | 64° | — | — |
| 1978 | 66° | 50° | 58° | — | — |
| 1977 | 61° | 51° | 56° | — | — |
| 1976 | 70° | 41° | 55° | — | — |
| 1975 | 68° | 45° | 56° | — | — |
| 1974 | — | 53° | — | — | — |
| 1973 | 68° | 51° | 60° | — | — |
| 1972 | 67° | 47° | 57° | — | — |
| 1971 | 76° | 45° | 60° | — | — |
55 years of data from BURLINGAME