Weather on April 30
San Mateo, CA
55 Years of Data
Avg High
68°F
Avg Low
50°F
Warmest
2014
75°F avg
Coldest
2002
52°F avg
About This Date
April 30th in San Mateo, CA typically brings mild spring weather, with average highs around 68°F and lows near 50°F. Over 55 years of records, the warmest April 30th was in 2014 (75°F average), while the coldest was 2002 (52°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 5% of April 30th dates historically, with the wettest April 30th recording 1.8" 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 April 30th in San Mateo, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 51° | 59° | — | — |
| 2024 | 65° | 49° | 57° | — | — |
| 2023 | 61° | 51° | 56° | — | — |
| 2022 | 64° | 51° | 58° | — | — |
| 2021 | 62° | 53° | 58° | — | — |
| 2020 | 67° | 52° | 59° | — | — |
| 2019 | 65° | 52° | 58° | — | — |
| 2018 | 63° | 52° | 57° | — | — |
| 2017 | 74° | 50° | 62° | — | — |
| 2016 | 71° | 49° | 60° | — | — |
| 2015 | 88° | 52° | 70° | — | — |
| 2014warmest | 90° | 60° | 75° | — | — |
| 2013 | 70° | 50° | 60° | — | — |
| 2012 | 70° | 50° | 60° | — | — |
| 2011 | 69° | 50° | 60° | — | — |
| 2010 | 64° | 47° | 55° | — | — |
| 2009 | 63° | 47° | 55° | — | — |
| 2008 | 59° | 46° | 53° | — | — |
| 2007 | 69° | 50° | 60° | — | — |
| 2006 | 73° | 52° | 62° | — | — |
| 2005 | 64° | 52° | 58° | — | — |
| 2004 | 68° | 51° | 60° | — | — |
| 2003 | 62° | 49° | 55° | — | — |
| 2002coldest | 58° | 47° | 52° | — | — |
| 2001 | 62° | 50° | 56° | — | — |
| 2000 | 66° | 48° | 57° | — | — |
| 1999 | 70° | 48° | 59° | — | — |
| 1998 | 70° | 54° | 62° | — | — |
| 1997 | 65° | 50° | 57° | — | — |
| 1996 | 90° | 56° | 73° | — | — |
| 1995 | 63° | 55° | 59° | 0.86" | — |
| 1994 | 60° | 50° | 55° | — | — |
| 1993 | 74° | 49° | 61° | — | — |
| 1992 | 65° | 53° | 59° | — | — |
| 1991 | 62° | 50° | 56° | — | — |
| 1990 | 76° | 48° | 62° | — | — |
| 1989 | 66° | 54° | 60° | — | — |
| 1988 | 60° | 49° | 54° | — | — |
| 1987 | 65° | 54° | 59° | 0.13" | — |
| 1986 | 65° | 42° | 53° | — | — |
| 1985 | 76° | 47° | 61° | — | — |
| 1984 | 65° | 49° | 57° | — | — |
| 1983 | 59° | 50° | 55° | 1.8" | — |
| 1982 | 60° | 46° | 53° | — | — |
| 1981 | 79° | 53° | 66° | — | — |
| 1980 | 73° | 46° | 60° | — | — |
| 1979 | 62° | 51° | 57° | — | — |
| 1978 | 64° | 52° | 58° | — | — |
| 1977 | 70° | 52° | 61° | — | — |
| 1976 | 74° | 40° | 57° | — | — |
| 1975 | 65° | 49° | 57° | — | — |
| 1974 | 78° | 49° | 63° | — | — |
| 1973 | 69° | 43° | 56° | — | — |
| 1972 | 72° | 40° | 56° | — | — |
| 1971 | 62° | 47° | 54° | — | — |
55 years of data from BURLINGAME