Weather on April 1
San Mateo, CA
55 Years of Data
Avg High
64°F
Avg Low
48°F
Warmest
2000
70°F avg
Coldest
1982
45°F avg
About This Date
April 1st in San Mateo, CA typically brings mild spring weather, with average highs around 64°F and lows near 48°F. Over 56 years of records, the warmest April 1st was in 2000 (70°F average), while the coldest was 1982 (45°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 25% of April 1st dates historically, with the wettest April 1st recording 3.43" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for April 1st in San Mateo, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 62° | 53° | 58° | 0.2" | — |
| 2025 | 57° | 49° | 53° | 0.81" | — |
| 2024 | 71° | 48° | 60° | — | — |
| 2023 | 62° | 43° | 52° | — | — |
| 2022 | 67° | 47° | 57° | — | — |
| 2021 | 84° | 54° | 69° | — | — |
| 2020 | 60° | 49° | 54° | — | — |
| 2019 | 65° | 50° | 57° | 0.08" | — |
| 2018 | 67° | 50° | 58° | — | — |
| 2017 | 78° | 53° | 66° | — | — |
| 2016 | 62° | 53° | 58° | — | — |
| 2015 | 64° | 49° | 56° | — | — |
| 2014 | 59° | 48° | 54° | 1.57" | — |
| 2013 | 65° | 52° | 58° | 0.36" | — |
| 2012 | 57° | 48° | 53° | 0.03" | — |
| 2011 | 78° | 54° | 66° | — | — |
| 2010 | 58° | 45° | 51° | — | — |
| 2009 | 62° | 49° | 55° | — | — |
| 2008 | 61° | 47° | 54° | — | — |
| 2007 | 58° | 48° | 53° | — | — |
| 2006 | 59° | 46° | 53° | 0.1" | — |
| 2005 | 68° | 48° | 58° | — | — |
| 2004 | 65° | 44° | 54° | — | — |
| 2003 | 58° | 49° | 53° | — | — |
| 2002 | 65° | 46° | 55° | — | — |
| 2001 | 58° | 48° | 53° | — | — |
| 2000warmest | 81° | 59° | 70° | — | — |
| 1999 | 56° | 40° | 48° | — | — |
| 1998 | 58° | 47° | 52° | — | — |
| 1997 | 62° | 44° | 53° | — | — |
| 1996 | 60° | 53° | 57° | 1.98" | — |
| 1995 | 61° | 51° | 56° | — | — |
| 1994 | 73° | 48° | 61° | — | — |
| 1993 | 61° | 48° | 54° | — | — |
| 1992 | 73° | 52° | 62° | — | — |
| 1991 | 60° | 50° | 55° | 0.03" | — |
| 1990 | 60° | 47° | 53° | — | — |
| 1989 | 62° | 49° | 55° | 0.03" | — |
| 1988 | 74° | 45° | 59° | — | — |
| 1987 | 73° | 49° | 61° | — | — |
| 1986 | 61° | 50° | 55° | — | — |
| 1985 | 81° | 49° | 65° | — | — |
| 1984 | 62° | 41° | 52° | — | — |
| 1983 | 65° | 49° | 57° | — | — |
| 1982coldest | 51° | 40° | 45° | 1.12" | — |
| 1981 | 57° | 47° | 52° | 0.13" | — |
| 1980 | 59° | 43° | 51° | — | — |
| 1979 | 66° | 43° | 54° | — | — |
| 1978 | 60° | 53° | 57° | 2.64" | — |
| 1977 | 65° | 45° | 55° | — | — |
| 1976 | 71° | 32° | 52° | — | — |
| 1975 | 61° | 46° | 53° | — | — |
| 1974 | 58° | 42° | 50° | 3.43" | — |
| 1973 | 58° | 45° | 51° | — | — |
| 1972 | 67° | 51° | 59° | — | — |
| 1971 | 68° | 40° | 54° | — | — |
56 years of data from BURLINGAME