Weather on May 19
San Mateo, CA
55 Years of Data
Avg High
69°F
Avg Low
52°F
Warmest
1978
74°F avg
Coldest
1986
54°F avg
About This Date
May 19th in San Mateo, CA typically brings mild spring weather, with average highs around 69°F and lows near 52°F. Over 55 years of records, the warmest May 19th was in 1978 (74°F average), while the coldest was 1986 (54°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 19th dates historically, with the wettest May 19th recording 0.71" 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 19th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 52° | 61° | — | — |
| 2024 | 69° | 52° | 60° | — | — |
| 2023 | 64° | 55° | 60° | — | — |
| 2022 | 68° | 53° | 61° | — | — |
| 2021 | 62° | 52° | 57° | — | — |
| 2020 | 66° | 53° | 60° | — | — |
| 2019 | 61° | 50° | 55° | 0.71" | — |
| 2018 | 63° | 55° | 59° | — | — |
| 2017 | 80° | 52° | 66° | — | — |
| 2016 | 64° | 53° | 59° | — | — |
| 2015 | 63° | 55° | 59° | — | — |
| 2014 | 68° | 56° | 62° | — | — |
| 2013 | 75° | 51° | 63° | — | — |
| 2012 | 68° | 49° | 58° | — | — |
| 2011 | 68° | 49° | 58° | — | — |
| 2010 | 65° | 51° | 58° | — | — |
| 2009 | 65° | 52° | 58° | — | — |
| 2008 | 63° | 51° | 57° | — | — |
| 2007 | 61° | 51° | 56° | — | — |
| 2006 | 61° | 52° | 56° | 0.25" | — |
| 2005 | 66° | 58° | 62° | 0.48" | — |
| 2004 | 65° | 51° | 58° | — | — |
| 2003 | 80° | 51° | 66° | — | — |
| 2002 | 60° | 52° | 56° | 0.3" | — |
| 2001 | 74° | 53° | 63° | — | — |
| 2000 | 78° | 52° | 65° | — | — |
| 1999 | 60° | 50° | 55° | — | — |
| 1998 | 63° | 51° | 57° | — | — |
| 1997 | 77° | 56° | 66° | — | — |
| 1996 | 66° | 52° | 59° | — | — |
| 1995 | 67° | 49° | 58° | — | — |
| 1994 | 60° | 53° | 57° | — | — |
| 1993 | 78° | 62° | 70° | — | — |
| 1992 | 72° | 58° | 65° | — | — |
| 1991 | 66° | 46° | 56° | — | — |
| 1990 | 61° | 51° | 56° | — | — |
| 1989 | 79° | 47° | 63° | — | — |
| 1988 | 83° | 50° | 66° | — | — |
| 1987 | 67° | 52° | 59° | — | — |
| 1986coldest | 61° | 48° | 54° | — | — |
| 1985 | 65° | 52° | 58° | — | — |
| 1984 | 66° | 50° | 58° | — | — |
| 1983 | 86° | 53° | 70° | — | — |
| 1982 | 76° | 44° | 60° | — | — |
| 1981 | 66° | 52° | 59° | — | — |
| 1980 | 75° | 48° | 62° | — | — |
| 1979 | 72° | 52° | 62° | — | — |
| 1978warmest | 93° | 56° | 74° | — | — |
| 1977 | 68° | 52° | 60° | 0.2" | — |
| 1976 | 62° | 48° | 55° | — | — |
| 1975 | 67° | 55° | 61° | — | — |
| 1974 | — | 42° | — | — | — |
| 1973 | 70° | 49° | 59° | — | — |
| 1972 | 63° | 48° | 55° | — | — |
| 1971 | 69° | 48° | 59° | — | — |
55 years of data from BURLINGAME