Weather on July 27
San Mateo, CA
55 Years of Data
Avg High
72°F
Avg Low
56°F
Warmest
1973
74°F avg
Coldest
2024
58°F avg
About This Date
July 27th 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 27th was in 1973 (74°F average), while the coldest was 2024 (58°F) — a 16°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 27th in San Mateo, CA? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 57° | 62° | — | — |
| 2024coldest | 60° | 55° | 58° | — | — |
| 2023 | 69° | 57° | 63° | — | — |
| 2022 | 69° | 57° | 63° | — | — |
| 2021 | 75° | 58° | 66° | — | — |
| 2020 | 71° | 55° | 63° | — | — |
| 2019 | 79° | 56° | 67° | — | — |
| 2018 | 65° | 55° | 60° | — | — |
| 2017 | 76° | 57° | 66° | — | — |
| 2016 | 72° | 54° | 63° | — | — |
| 2015 | 81° | 57° | 69° | — | — |
| 2014 | 77° | 61° | 69° | — | — |
| 2013 | 70° | 56° | 63° | — | — |
| 2012 | 72° | 55° | 63° | — | — |
| 2011 | 73° | 55° | 64° | — | — |
| 2010 | 71° | 57° | 64° | — | — |
| 2009 | 69° | 52° | 60° | — | — |
| 2008 | 65° | 55° | 60° | — | — |
| 2007 | 71° | 55° | 63° | — | — |
| 2006 | 70° | 58° | 64° | — | — |
| 2005 | 69° | 55° | 62° | — | — |
| 2004 | 75° | 57° | 66° | — | — |
| 2003 | 70° | 55° | 62° | — | — |
| 2002 | 75° | 56° | 65° | — | — |
| 2001 | 69° | 54° | 61° | — | — |
| 2000 | 70° | 55° | 62° | — | — |
| 1999 | 66° | 55° | 61° | — | — |
| 1998 | 69° | 55° | 62° | — | — |
| 1997 | 74° | 56° | 65° | — | — |
| 1996 | 74° | 55° | 64° | — | — |
| 1995 | 82° | 56° | 69° | — | — |
| 1994 | 66° | 56° | 61° | — | — |
| 1993 | 76° | 57° | 66° | — | — |
| 1992 | 70° | 54° | 62° | — | — |
| 1991 | 76° | 57° | 66° | — | — |
| 1990 | 71° | 55° | 63° | — | — |
| 1989 | 74° | 52° | 63° | — | — |
| 1988 | 72° | 56° | 64° | — | — |
| 1987 | 68° | 56° | 62° | — | — |
| 1986 | 65° | 53° | 59° | — | — |
| 1985 | 71° | 55° | 63° | — | — |
| 1984 | 74° | 53° | 63° | — | — |
| 1983 | 74° | 54° | 64° | — | — |
| 1982 | 66° | 53° | 60° | — | — |
| 1981 | 74° | 54° | 64° | — | — |
| 1980 | 79° | 55° | 67° | — | — |
| 1979 | 66° | 54° | 60° | — | — |
| 1978 | 71° | 61° | 66° | — | — |
| 1977 | 86° | 49° | 67° | — | — |
| 1976 | 76° | 53° | 64° | — | — |
| 1975 | 74° | 62° | 68° | — | — |
| 1974 | — | 61° | — | — | — |
| 1973warmest | 93° | 55° | 74° | — | — |
| 1972 | 78° | 51° | 65° | — | — |
| 1971 | 69° | 59° | 64° | — | — |
55 years of data from BURLINGAME