Weather on June 9
San Mateo, CA
55 Years of Data
Avg High
72°F
Avg Low
53°F
Warmest
1973
80°F avg
Coldest
1999
55°F avg
About This Date
June 9th in San Mateo, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 53°F. Over 55 years of records, the warmest June 9th was in 1973 (80°F average), while the coldest was 1999 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 4% of June 9th dates historically, with the wettest June 9th recording 0.51" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for June 9th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 54° | 59° | — | — |
| 2024 | 65° | 54° | 59° | — | — |
| 2023 | 66° | 56° | 61° | — | — |
| 2022 | 79° | 55° | 67° | — | — |
| 2021 | 67° | 55° | 61° | — | — |
| 2020 | 82° | 52° | 67° | — | — |
| 2019 | 92° | 61° | 76° | — | — |
| 2018 | 67° | 55° | 61° | — | — |
| 2017 | 66° | 56° | 61° | — | — |
| 2016 | 64° | 57° | 61° | — | — |
| 2015 | 79° | 54° | 66° | — | — |
| 2014 | 77° | 58° | 67° | — | — |
| 2013 | 70° | 59° | 64° | — | — |
| 2012 | 70° | 50° | 60° | — | — |
| 2011 | 69° | 51° | 60° | — | — |
| 2010 | 65° | 56° | 60° | — | — |
| 2009 | 66° | 57° | 62° | — | — |
| 2008 | 84° | 52° | 68° | — | — |
| 2007 | 68° | 51° | 60° | — | — |
| 2006 | 72° | 52° | 62° | — | — |
| 2005 | 67° | 56° | 61° | 0.38" | — |
| 2004 | 67° | 51° | 59° | — | — |
| 2003 | 69° | 54° | 61° | — | — |
| 2002 | 75° | 51° | 63° | — | — |
| 2001 | 64° | 53° | 59° | — | — |
| 2000 | 65° | 53° | 59° | — | — |
| 1999coldest | 63° | 48° | 55° | — | — |
| 1998 | 67° | 56° | 61° | — | — |
| 1997 | 73° | 54° | 63° | — | — |
| 1996 | 69° | 53° | 61° | — | — |
| 1995 | 64° | 53° | 59° | — | — |
| 1994 | 89° | 54° | 71° | — | — |
| 1993 | 79° | 53° | 66° | — | — |
| 1992 | 69° | 55° | 62° | — | — |
| 1991 | 66° | 51° | 59° | — | — |
| 1990 | 75° | 54° | 64° | — | — |
| 1989 | 62° | 52° | 57° | — | — |
| 1988 | 71° | 55° | 63° | — | — |
| 1987 | 73° | 54° | 63° | — | — |
| 1986 | 91° | 51° | 71° | — | — |
| 1985 | 74° | 54° | 64° | — | — |
| 1984 | 70° | 49° | 59° | — | — |
| 1983 | 62° | 53° | 58° | — | — |
| 1982 | 63° | 49° | 56° | — | — |
| 1981 | 69° | 55° | 62° | — | — |
| 1980 | 66° | 52° | 59° | — | — |
| 1979 | 87° | 51° | 69° | — | — |
| 1978 | 72° | 50° | 61° | — | — |
| 1977 | 67° | 53° | 60° | — | — |
| 1976 | 72° | 42° | 57° | — | — |
| 1975 | 86° | 52° | 69° | — | — |
| 1974 | 86° | 51° | 69° | — | — |
| 1973warmest | 95° | 64° | 80° | — | — |
| 1972 | 65° | 54° | 59° | 0.51" | — |
| 1971 | 66° | 52° | 59° | — | — |
55 years of data from BURLINGAME