Weather on July 27
San Mateo, CA
55 Years of Data
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 56 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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 70° | 58° | 64° | — | — |
| 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° | — | — |
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
Most pleasant months in San Mateo, CA: April, May, June, July, August, September, October.
What to expect on July 27th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
July 27th outlook →