Weather on July 17
San Mateo, CA
55 Years of Data
Avg High
72°F
Avg Low
56°F
Warmest
1988
82°F avg
Coldest
1986
57°F avg
About This Date
July 17th in San Mateo, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 56°F. Over 55 years of records, the warmest July 17th was in 1988 (82°F average), while the coldest was 1986 (57°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 17th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 57° | 64° | — | — |
| 2024 | 67° | 55° | 61° | — | — |
| 2023 | 75° | 60° | 68° | — | — |
| 2022 | 68° | 56° | 62° | — | — |
| 2021 | 72° | 54° | 63° | — | — |
| 2020 | 76° | 58° | 67° | — | — |
| 2019 | 78° | 58° | 68° | — | — |
| 2018 | 67° | 55° | 61° | — | — |
| 2017 | 72° | 57° | 64° | — | — |
| 2016 | 71° | 55° | 63° | — | — |
| 2015 | 73° | 59° | 66° | — | — |
| 2014 | 74° | 63° | 68° | — | — |
| 2013 | 66° | 55° | 61° | — | — |
| 2012 | 70° | 57° | 63° | — | — |
| 2011 | 67° | 57° | 62° | — | — |
| 2010 | 70° | 56° | 63° | — | — |
| 2009 | 71° | 52° | 61° | — | — |
| 2008 | 64° | 54° | 59° | — | — |
| 2007 | 74° | 58° | 66° | — | — |
| 2006 | 83° | 55° | 69° | — | — |
| 2005 | 75° | 57° | 66° | — | — |
| 2004 | 76° | 58° | 67° | — | — |
| 2003 | 84° | 55° | 70° | — | — |
| 2002 | 69° | 55° | 62° | — | — |
| 2001 | 71° | 54° | 62° | — | — |
| 2000 | 65° | 58° | 61° | — | — |
| 1999 | 65° | 54° | 59° | — | — |
| 1998 | 69° | 54° | 61° | — | — |
| 1997 | 71° | 57° | 64° | — | — |
| 1996 | 67° | 56° | 61° | — | — |
| 1995 | 66° | 55° | 61° | — | — |
| 1994 | 68° | 53° | 61° | — | — |
| 1993 | 80° | 52° | 66° | — | — |
| 1992 | 74° | 59° | 66° | — | — |
| 1991 | 71° | 56° | 63° | — | — |
| 1990 | 73° | 60° | 67° | — | — |
| 1989 | 78° | 56° | 67° | — | — |
| 1988warmest | 105° | 59° | 82° | — | — |
| 1987 | 64° | 54° | 59° | — | — |
| 1986coldest | 65° | 49° | 57° | — | — |
| 1985 | 71° | 50° | 61° | — | — |
| 1984 | 77° | 59° | 68° | — | — |
| 1983 | 69° | 56° | 62° | — | — |
| 1982 | 69° | 55° | 62° | — | — |
| 1981 | 63° | 53° | 58° | — | — |
| 1980 | 71° | 52° | 61° | — | — |
| 1979 | 67° | 53° | 60° | — | — |
| 1978 | 94° | 55° | 74° | — | — |
| 1977 | 75° | 53° | 64° | — | — |
| 1976 | 73° | 57° | 65° | — | — |
| 1975 | 75° | 53° | 64° | — | — |
| 1974 | 70° | 52° | 61° | — | — |
| 1973 | 71° | 56° | 63° | — | — |
| 1972 | 73° | 51° | 62° | — | — |
| 1971 | 80° | 56° | 68° | — | — |
55 years of data from BURLINGAME