Weather on June 15
San Mateo, CA
55 Years of Data
About This Date
June 15th in San Mateo, CA typically brings pleasant summer weather, with average highs around 71°F and lows near 53°F. Over 55 years of records, the warmest June 15th was in 1976 (74°F average), while the coldest was 2008 (56°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 15th dates historically. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for June 15th in San Mateo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 51° | 59° | — | — |
| 2024 | 69° | 52° | 60° | — | — |
| 2023 | 75° | 56° | 65° | — | — |
| 2022 | 69° | 54° | 61° | — | — |
| 2021 | 74° | 56° | 65° | — | — |
| 2020 | 70° | 55° | 62° | — | — |
| 2019 | 63° | 54° | 58° | — | — |
| 2018 | 66° | 56° | 61° | — | — |
| 2017 | 72° | 55° | 63° | — | — |
| 2016 | 66° | 53° | 60° | — | — |
| 2015 | 61° | 53° | 57° | — | — |
| 2014 | 70° | 56° | 63° | — | — |
| 2013 | 62° | 51° | 57° | — | — |
| 2012 | 74° | 50° | 62° | — | — |
| 2011 | 71° | 53° | 62° | — | — |
| 2010 | 62° | 52° | 57° | — | — |
| 2009 | 66° | 58° | 62° | — | — |
| 2008coldest | 60° | 51° | 56° | — | — |
| 2007 | 77° | 55° | 66° | — | — |
| 2006 | 73° | 54° | 63° | — | — |
| 2005 | 68° | 51° | 60° | — | — |
| 2004 | 83° | 54° | 68° | — | — |
| 2003 | 70° | 53° | 61° | — | — |
| 2002 | 64° | 51° | 58° | — | — |
| 2001 | 71° | 53° | 62° | — | — |
| 2000 | 79° | 57° | 68° | — | — |
| 1999 | 63° | 53° | 58° | — | — |
| 1998 | 83° | 58° | 70° | — | — |
| 1997 | 73° | 56° | 64° | — | — |
| 1996 | 62° | 51° | 57° | — | — |
| 1995 | 63° | 53° | 58° | 0.48" | — |
| 1994 | 65° | 51° | 58° | — | — |
| 1993 | 70° | 54° | 62° | — | — |
| 1992 | 68° | 55° | 62° | — | — |
| 1991 | 66° | 51° | 59° | — | — |
| 1990 | 62° | 55° | 59° | — | — |
| 1989 | 73° | 56° | 64° | — | — |
| 1988 | 73° | 54° | 63° | — | — |
| 1987 | 70° | 55° | 62° | — | — |
| 1986 | 66° | 55° | 61° | — | — |
| 1985 | 76° | 54° | 65° | — | — |
| 1984 | 73° | 53° | 63° | — | — |
| 1983 | 75° | 53° | 64° | — | — |
| 1982 | 67° | 52° | 59° | — | — |
| 1981 | 92° | 54° | 73° | — | — |
| 1980 | 74° | 50° | 62° | — | — |
| 1979 | 64° | 51° | 58° | — | — |
| 1978 | 72° | 55° | 63° | — | — |
| 1977 | 68° | 59° | 64° | — | — |
| 1976warmest | 97° | 52° | 74° | — | — |
| 1975 | 74° | 53° | 63° | — | — |
| 1974 | 68° | 49° | 58° | — | — |
| 1973 | 66° | 49° | 57° | — | — |
| 1972 | 72° | 52° | 62° | — | — |
| 1971 | 84° | 52° | 68° | — | — |
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
San Mateo, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.