W.carter / CC BY-SA 4.0
San Francisco, CA Weather on July 12
San Francisco's July 12 peaked at 86°F, far above the typical 68°F average
July 12 in San Francisco typically brings mild conditions with an average high of 68°F and low of 55°F, reflecting the city's characteristically cool summer climate. However, the record high of 86°F set in 1983 demonstrates that heat waves occasionally break through the marine influence that usually moderates Bay Area temperatures. Across 55 years of records, the range between the record high and low shows 36 degrees of variability, highlighting how San Francisco's weather can surprise residents accustomed to its narrow seasonal range.
What to Expect on July 12
Planning for July 12th in San Francisco, CA? Great weather for outdoor activities.
Frequently Asked Questions
What was the warmest July 12 ever in San Francisco?
The warmest July 12 in San Francisco, CA reached 86°F in 1983. That is 18°F above the long-term average high of 68°F.
What was the coldest July 12 ever in San Francisco?
The coldest July 12 in San Francisco, CA dropped to 50°F in 1994. That is 5°F below the long-term average low of 55°F.
What is the average temperature on July 12 in San Francisco?
On July 12, San Francisco averages a high of 68°F and a low of 55°F based on 55 years of NOAA weather observations from SAN FRANCISCO DWTN.
How many years of weather data are available for July 12 in San Francisco?
We have 55 years of weather records for July 12 in San Francisco, 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 12 Weather History in San Francisco
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 64°F | 54°F | 0" | -- |
| 2024 | 66°F | 54°F | 0" | -- |
| 2023 | 64°F | 52°F | 0" | -- |
| 2022 | 67°F | 57°F | 0" | -- |
| 2021 | 57°F | 52°F | 0" | -- |
| 2020 | 71°F | 54°F | 0" | -- |
| 2019 | 65°F | 53°F | 0" | -- |
| 2018 | 66°F | 56°F | 0" | -- |
| 2017 | 65°F | 54°F | 0" | -- |
| 2016 | 66°F | 53°F | 0" | -- |
| 2015 | 71°F | 61°F | 0" | -- |
| 2014 | 64°F | 55°F | 0" | -- |
| 2013 | 63°F | 54°F | 0" | -- |
| 2012 | 66°F | 52°F | 0" | -- |
| 2011 | 60°F | 52°F | 0.05" | -- |
| 2010 | 65°F | 56°F | 0" | -- |
| 2009 | 66°F | 53°F | 0" | -- |
| 2008 | 69°F | 59°F | 0" | -- |
| 2007 | 72°F | 56°F | 0" | -- |
| 2006 | 66°F | 54°F | 0" | -- |
| 2005 | 74°F | 57°F | 0" | -- |
| 2004 | 64°F | 53°F | 0" | -- |
| 2003 | 68°F | 54°F | 0" | -- |
| 2002 | 64°F | 54°F | 0" | -- |
| 2001 | 67°F | 56°F | 0" | -- |
| 2000 | 66°F | 56°F | 0" | -- |
| 1999 | 79°F | 59°F | 0" | -- |
| 1998 | 69°F | 54°F | 0" | -- |
| 1997 | 74°F | 54°F | 0" | -- |
| 1996 | 71°F | 53°F | 0" | -- |
| 1995 | 72°F | 58°F | 0" | -- |
| 1994 | 63°F | 50°F | 0" | -- |
| 1993 | 70°F | 55°F | 0" | -- |
| 1992 | 76°F | 60°F | 0" | -- |
| 1991 | 63°F | 52°F | 0" | -- |
| 1990 | 73°F | 59°F | 0" | -- |
| 1989 | 67°F | 54°F | 0" | -- |
| 1988 | 63°F | 53°F | 0" | -- |
| 1987 | 69°F | 56°F | 0" | -- |
| 1986 | 68°F | 55°F | 0" | -- |
| 1985 | 64°F | 54°F | 0" | -- |
| 1984 | 80°F | 54°F | 0" | -- |
| 1983 | 86°F | 58°F | 0" | -- |
| 1982 | 74°F | 53°F | 0" | -- |
| 1981 | 62°F | 51°F | 0" | -- |
| 1980 | 61°F | 54°F | 0" | -- |
| 1979 | 82°F | 59°F | 0" | -- |
| 1978 | 61°F | 52°F | 0" | -- |
| 1977 | 61°F | 52°F | 0" | -- |
| 1976 | 70°F | 55°F | 0" | -- |
| 1975 | 63°F | 52°F | 0" | -- |
| 1974 | 65°F | 54°F | 0" | -- |
| 1973 | 59°F | 51°F | 0" | -- |
| 1972 | 77°F | 56°F | 0" | -- |
| 1971 | 72°F | 53°F | 0" | -- |
Based on 55 years of data from NOAA station: SAN FRANCISCO DWTN
How Has July 12 Changed?
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Monthly Climate Averages
Historical temperature and precipitation averages for San Francisco, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.