Weather on July 1
San Mateo, CA
55 Years of Data
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° | — | — |
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.