Weather on June 27
San Mateo, CA
55 Years of Data
Avg High
74°F
Avg Low
55°F
Warmest
2003
82°F avg
Coldest
1979
57°F avg
About This Date
June 27th 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 June 27th was in 2003 (82°F average), while the coldest was 1979 (57°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 27th dates historically. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for June 27th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 53° | 62° | — | — |
| 2024 | 66° | 52° | 59° | — | — |
| 2023 | 65° | 54° | 59° | — | — |
| 2022 | 69° | 55° | 62° | — | — |
| 2021 | 71° | 60° | 66° | — | — |
| 2020 | 74° | 56° | 65° | — | — |
| 2019 | 71° | 58° | 64° | — | — |
| 2018 | 78° | 50° | 64° | — | — |
| 2017 | 66° | 57° | 62° | — | — |
| 2016 | 70° | 52° | 61° | — | — |
| 2015 | 75° | 58° | 66° | — | — |
| 2014 | 75° | 59° | 67° | — | — |
| 2013 | 78° | 60° | 69° | — | — |
| 2012 | 70° | 53° | 61° | — | — |
| 2011 | 65° | 53° | 59° | — | — |
| 2010 | 81° | 53° | 67° | — | — |
| 2009 | 87° | 53° | 70° | — | — |
| 2008 | 71° | 54° | 62° | — | — |
| 2007 | 68° | 53° | 61° | — | — |
| 2006 | 72° | 57° | 64° | — | — |
| 2005 | 69° | 57° | 63° | — | — |
| 2004 | 72° | 54° | 63° | — | — |
| 2003warmest | 97° | 67° | 82° | — | — |
| 2002 | 68° | 55° | 62° | — | — |
| 2001 | 72° | 61° | 66° | — | — |
| 2000 | 69° | 54° | 61° | — | — |
| 1999 | 82° | 51° | 67° | — | — |
| 1998 | 74° | 54° | 64° | — | — |
| 1997 | 65° | 53° | 59° | — | — |
| 1996 | 69° | 52° | 60° | — | — |
| 1995 | 72° | 56° | 64° | — | — |
| 1994 | 72° | 54° | 63° | — | — |
| 1993 | 70° | 54° | 62° | — | — |
| 1992 | 74° | 60° | 67° | — | — |
| 1991 | 65° | 54° | 59° | 0.13" | — |
| 1990 | 72° | 56° | 64° | — | — |
| 1989 | 67° | 54° | 60° | — | — |
| 1988 | 73° | 55° | 64° | — | — |
| 1987 | 76° | 53° | 64° | — | — |
| 1986 | 66° | 55° | 61° | — | — |
| 1985 | 86° | 52° | 69° | — | — |
| 1984 | 79° | 54° | 66° | — | — |
| 1983 | 65° | 56° | 60° | — | — |
| 1982 | 69° | 58° | 63° | — | — |
| 1981 | 75° | 50° | 63° | — | — |
| 1980 | 89° | 54° | 71° | — | — |
| 1979coldest | 64° | 50° | 57° | — | — |
| 1978 | 70° | 53° | 61° | — | — |
| 1977 | 75° | 52° | 63° | — | — |
| 1976 | 96° | 51° | 74° | — | — |
| 1975 | 70° | 47° | 58° | — | — |
| 1974 | 81° | 49° | 65° | — | — |
| 1973 | 80° | 60° | 70° | — | — |
| 1972 | 76° | 51° | 63° | — | — |
| 1971 | 82° | 52° | 67° | — | — |
55 years of data from BURLINGAME