Unknown author / CC0
San Mateo, CA Weather on July 11
July 11th in San Mateo, CA typically brings pleasant summer weather, with average highs around 73°F and lows near 54°F. Over 55 years of records, the warmest July 11th was in 1983 (75°F average), while the coldest was 1998 (55°F) — a 20°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.
What to Expect on July 11
Planning for July 11th in San Mateo, CA? Great weather for outdoor activities.
July 11 Weather Records for San Mateo
- •The all-time record high for July 11th in San Mateo, CA is 93°F, set in 1983.
- •The coldest July 11th on record dropped to 48°F in 1998.
- •Temperatures have reached 90°F or higher on July 11th in 1 of the last 55 years.
Frequently Asked Questions
What was the warmest July 11 ever in San Mateo?
The warmest July 11 in San Mateo, CA reached 93°F in 1983. That is 20°F above the long-term average high of 73°F.
What was the coldest July 11 ever in San Mateo?
The coldest July 11 in San Mateo, CA dropped to 48°F in 1998. That is 6°F below the long-term average low of 54°F.
What is the average temperature on July 11 in San Mateo?
On July 11, San Mateo averages a high of 73°F and a low of 54°F based on 55 years of NOAA weather observations from BURLINGAME.
How many years of weather data are available for July 11 in San Mateo?
We have 55 years of weather records for July 11 in San Mateo, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
July 11 Weather History in San Mateo
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 69°F | 55°F | 0" | -- |
| 2024 | 81°F | 56°F | 0" | -- |
| 2023 | 71°F | 54°F | 0" | -- |
| 2022 | 71°F | 58°F | 0" | -- |
| 2021 | 70°F | 57°F | 0" | -- |
| 2020 | 76°F | 53°F | 0" | -- |
| 2019 | 71°F | 58°F | 0" | -- |
| 2018 | 83°F | 53°F | -- | -- |
| 2017 | 73°F | 55°F | 0" | -- |
| 2016 | 69°F | 55°F | 0" | -- |
| 2015 | 73°F | 60°F | 0" | -- |
| 2014 | 72°F | 60°F | 0" | -- |
| 2013 | 67°F | 53°F | 0" | -- |
| 2012 | 77°F | 52°F | 0" | -- |
| 2011 | 63°F | 53°F | 0" | -- |
| 2010 | 70°F | 58°F | 0" | -- |
| 2009 | 70°F | 54°F | 0" | -- |
| 2008 | 77°F | 58°F | 0" | -- |
| 2007 | 72°F | 61°F | 0" | -- |
| 2006 | 67°F | 54°F | 0" | -- |
| 2005 | 74°F | 57°F | 0" | -- |
| 2004 | 71°F | 55°F | 0" | -- |
| 2003 | 68°F | 53°F | 0" | -- |
| 2002 | 76°F | 54°F | 0" | -- |
| 2001 | 68°F | 57°F | 0" | -- |
| 2000 | 72°F | 56°F | 0" | -- |
| 1999 | 86°F | 54°F | 0" | -- |
| 1998 | 63°F | 48°F | 0" | -- |
| 1997 | 76°F | 54°F | 0" | -- |
| 1996 | 68°F | 53°F | 0" | -- |
| 1995 | 67°F | 57°F | 0" | -- |
| 1994 | 66°F | 51°F | 0" | -- |
| 1993 | 71°F | 56°F | 0" | -- |
| 1992 | 76°F | 61°F | 0" | -- |
| 1991 | 70°F | 52°F | 0" | -- |
| 1990 | 82°F | 55°F | 0" | -- |
| 1989 | 72°F | 51°F | 0" | -- |
| 1988 | 69°F | 53°F | 0" | -- |
| 1987 | 74°F | 57°F | 0" | -- |
| 1986 | 74°F | 54°F | 0" | -- |
| 1985 | 68°F | 55°F | 0" | -- |
| 1984 | 75°F | 50°F | 0" | -- |
| 1983 | 93°F | 58°F | 0" | -- |
| 1982 | 70°F | 54°F | 0" | -- |
| 1981 | 68°F | 50°F | 0" | -- |
| 1980 | 68°F | 54°F | 0" | -- |
| 1979 | 76°F | 55°F | 0" | -- |
| 1978 | 63°F | 52°F | 0" | -- |
| 1977 | 78°F | 52°F | 0" | -- |
| 1976 | 72°F | 52°F | 0" | -- |
| 1975 | 76°F | 52°F | 0" | -- |
| 1974 | 71°F | 54°F | 0" | -- |
| 1973 | 82°F | 52°F | 0" | -- |
| 1972 | 79°F | 52°F | 0" | -- |
| 1971 | 74°F | 50°F | 0" | -- |
Based on 55 years of data from NOAA station: BURLINGAME
Monthly Climate Averages
Historical temperature and precipitation averages for San Mateo, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.