Weather on May 22
San Mateo, CA
55 Years of Data
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 56 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 1.2°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 22nd in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 69° | 50° | 60° | — | — |
| 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° | — | — |
San Mateo, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Mateo, CA Monthly Precipitation
Average rainfall per month, in inches.
San Mateo, 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 Mateo, CA
San Mateo, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.