Weather on July 15
San Mateo, CA
55 Years of Data
Avg High
74°F
Avg Low
55°F
Warmest
1995
77°F avg
Coldest
1981
57°F avg
About This Date
July 15th in San Mateo, CA typically brings pleasant summer weather, with average highs around 74°F and lows near 55°F. Over 55 years of records, the warmest July 15th was in 1995 (77°F average), while the coldest was 1981 (57°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 15th dates historically. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for July 15th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 55° | 64° | — | — |
| 2024 | 70° | 56° | 63° | — | — |
| 2023 | 79° | 56° | 67° | — | — |
| 2022 | 67° | 55° | 61° | — | — |
| 2021 | 65° | 54° | 59° | — | — |
| 2020 | 73° | 58° | 65° | — | — |
| 2019 | 77° | 58° | 67° | — | — |
| 2018 | 69° | 55° | 62° | — | — |
| 2017 | 85° | 55° | 70° | — | — |
| 2016 | 73° | 54° | 63° | — | — |
| 2015 | 79° | 59° | 69° | — | — |
| 2014 | 81° | 59° | 70° | — | — |
| 2013 | 69° | 53° | 61° | — | — |
| 2012 | 69° | 54° | 61° | — | — |
| 2011 | 64° | 55° | 60° | — | — |
| 2010 | 74° | 59° | 66° | — | — |
| 2009 | 70° | 53° | 61° | — | — |
| 2008 | 68° | 58° | 63° | — | — |
| 2007 | 72° | 58° | 65° | — | — |
| 2006 | 71° | 54° | 62° | — | — |
| 2005 | 74° | 55° | 64° | — | — |
| 2004 | 74° | 55° | 64° | — | — |
| 2003 | 70° | 53° | 61° | — | — |
| 2002 | 64° | 54° | 59° | — | — |
| 2001 | 67° | 55° | 61° | — | — |
| 2000 | 66° | 54° | 60° | — | — |
| 1999 | 71° | 54° | 62° | — | — |
| 1998 | 87° | 55° | 71° | — | — |
| 1997 | 69° | 56° | 62° | — | — |
| 1996 | 70° | 56° | 63° | — | — |
| 1995warmest | 93° | 60° | 77° | — | — |
| 1994 | 71° | 52° | 61° | — | — |
| 1993 | 70° | 53° | 61° | — | — |
| 1992 | 73° | 59° | 66° | — | — |
| 1991 | 68° | 54° | 61° | — | — |
| 1990 | 78° | 56° | 67° | — | — |
| 1989 | 69° | 54° | 61° | — | — |
| 1988 | 74° | 57° | 65° | — | — |
| 1987 | 76° | 57° | 66° | — | — |
| 1986 | 73° | 50° | 62° | — | — |
| 1985 | 72° | 51° | 61° | — | — |
| 1984 | 85° | 60° | 72° | — | — |
| 1983 | 74° | 52° | 63° | — | — |
| 1982 | 75° | 54° | 64° | — | — |
| 1981coldest | 65° | 50° | 57° | — | — |
| 1980 | 78° | 52° | 65° | — | — |
| 1979 | 72° | 56° | 64° | — | — |
| 1978 | 81° | 54° | 67° | — | — |
| 1977 | 76° | 51° | 63° | — | — |
| 1976 | 78° | 52° | 65° | — | — |
| 1975 | 72° | 52° | 62° | 0.05" | — |
| 1974 | 77° | 53° | 65° | — | — |
| 1973 | — | 55° | — | — | — |
| 1972 | 95° | 52° | 73° | — | — |
| 1971 | 69° | 51° | 60° | — | — |
55 years of data from BURLINGAME