Weather on July 1
San Mateo, CA
55 Years of Data
Avg High
74°F
Avg Low
54°F
Warmest
1985
78°F avg
Coldest
1975
58°F avg
About This Date
July 1st in San Mateo, CA typically brings pleasant summer weather, with average highs around 74°F and lows near 54°F. Over 55 years of records, the warmest July 1st was in 1985 (78°F average), while the coldest was 1975 (58°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 1st dates historically. 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 July 1st in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 53° | 61° | — | — |
| 2024 | 74° | 54° | 64° | — | — |
| 2023 | 81° | 54° | 67° | — | — |
| 2022 | 67° | 55° | 61° | — | — |
| 2021 | 76° | 61° | 68° | — | — |
| 2020 | 77° | 55° | 66° | — | — |
| 2019 | 70° | 56° | 63° | — | — |
| 2018 | 82° | 55° | 69° | — | — |
| 2017 | 66° | 54° | 60° | — | — |
| 2016 | 70° | 54° | 62° | — | — |
| 2015 | 74° | 56° | 65° | — | — |
| 2014 | 76° | 58° | 67° | — | — |
| 2013 | 79° | 56° | 67° | — | — |
| 2012 | 68° | 58° | 63° | — | — |
| 2011 | 80° | 54° | 67° | — | — |
| 2010 | 66° | 53° | 60° | — | — |
| 2009 | 73° | 57° | 65° | — | — |
| 2008 | 65° | 54° | 59° | — | — |
| 2007 | 68° | 54° | 61° | — | — |
| 2006 | 66° | 54° | 60° | — | — |
| 2005 | 70° | 54° | 62° | — | — |
| 2004 | 67° | 56° | 61° | — | — |
| 2003 | 67° | 55° | 61° | — | — |
| 2002 | 79° | 56° | 67° | — | — |
| 2001 | 73° | 54° | 63° | — | — |
| 2000 | 64° | 55° | 60° | — | — |
| 1999 | 71° | 55° | 63° | — | — |
| 1998 | 63° | 54° | 58° | — | — |
| 1997 | 74° | 54° | 64° | — | — |
| 1996 | 89° | 55° | 72° | — | — |
| 1995 | 70° | 56° | 63° | — | — |
| 1994 | 67° | 51° | 59° | — | — |
| 1993 | 80° | 53° | 67° | — | — |
| 1992 | 71° | 58° | 64° | — | — |
| 1991 | 91° | 59° | 75° | — | — |
| 1990 | 71° | 54° | 62° | — | — |
| 1989 | 67° | 53° | 60° | — | — |
| 1988 | 80° | 52° | 66° | — | — |
| 1987 | 65° | 56° | 60° | — | — |
| 1986 | 76° | 53° | 64° | — | — |
| 1985warmest | 99° | 58° | 78° | — | — |
| 1984 | 95° | 52° | 73° | — | — |
| 1983 | 70° | 56° | 63° | — | — |
| 1982 | 62° | 56° | 59° | — | — |
| 1981 | 71° | 52° | 61° | — | — |
| 1980 | 67° | 50° | 58° | 0.03" | — |
| 1979 | 74° | 53° | 63° | — | — |
| 1978 | 71° | 56° | 63° | — | — |
| 1977 | 76° | 52° | 64° | — | — |
| 1976 | 86° | 51° | 69° | — | — |
| 1975coldest | 65° | 52° | 58° | — | — |
| 1974 | 73° | 53° | 63° | — | — |
| 1973 | 77° | 49° | 63° | — | — |
| 1972 | 86° | 56° | 71° | — | — |
| 1971 | 74° | 50° | 62° | — | — |
55 years of data from BURLINGAME