San Joaquin County, CA
An ordinary day in San Joaquin County, CA: was cooler than 38 of 75 earlier years in the county average (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- Tuesday 29 September 2026: a high of 83.6°F averaged over San Joaquin County, CA, the coldest 29 September day in the county average since 2025, 38th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 52.6°F averaged over San Joaquin County, CA, the coldest 29 September night in the county average since 2021, 25th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of San Joaquin County, CA for 25 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 71.9°F in San Joaquin County, CA, the coldest 1 to 29 September in the county average since 2023, tied 33rd coldest of 76 (with 2000 and 1960) (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 78.6°F in San Joaquin County, CA, the warmest August in the county average since 2023, tied 5th warmest of 132 (with 2017) (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 83.6 | 52.6 |
| 2025 | 77.2 | 59.3 |
| 2024 | 92.4 | 56 |
| 2023 | 83.7 | 53.2 |
| 2022 | 87.7 | 56.1 |
| 2021 | 80.3 | 49.2 |
| 2020 | 97 | 62.1 |
| 2019 | 73.8 | 46.6 |
| 2018 | 83.9 | 52.9 |
| 2017 | 92.8 | 57.7 |
| 2016 | 93.3 | 57.2 |
| 2015 | 87.8 | 57.6 |
| 2014 | 76 | 54.6 |
| 2013 | 84.1 | 54.3 |
| 2012 | 90.3 | 55.7 |
| 2011 | 94 | 59.6 |
| 2010 | 100.9 | 64.1 |
| 2009 | 82.4 | 53.6 |
| 2008 | 92 | 56.7 |
| 2007 | 70.6 | 48.3 |
| 2006 | 84.5 | 52.4 |
| 2005 | 91 | 57.4 |
| 2004 | 77 | 50.8 |
| 2003 | 82.4 | 54.7 |
| 2002 | 73.8 | 51.9 |
| 2001 | 82.4 | 51.8 |
| 2000 | 76.5 | 51.9 |
| 1999 | 91.3 | 59.4 |
| 1998 | 75.6 | 53.7 |
| 1997 | 92.6 | 60.8 |
| 1996 | 88.9 | 55.9 |
| 1995 | 76.2 | 52.3 |
| 1994 | 78.6 | 55.1 |
| 1993 | 94.3 | 59.3 |
| 1992 | 95 | 60 |
| 1991 | 91.2 | 57.3 |
| 1990 | 89.3 | 58 |
| 1989 | 75 | 56.3 |
| 1988 | 89.3 | 54.2 |
| 1987 | 92.8 | 57.7 |
| 1986 | 75.5 | 50.1 |
| 1985 | 76.8 | 53.3 |
| 1984 | 92.3 | 58.4 |
| 1983 | 80.7 | 56.8 |
| 1982 | 75.7 | 50.8 |
| 1981 | 76.5 | 52.3 |
| 1980 | 85 | 54.1 |
| 1979 | 89.4 | 56.6 |
| 1978 | 90.9 | 57.3 |
| 1977 | 80.5 | 59.8 |
| 1976 | 73.3 | 59.1 |
| 1975 | 82.6 | 51.4 |
| 1974 | 82.4 | 52.3 |
| 1973 | 93.4 | 56.8 |
| 1972 | 81.5 | 56.4 |
| 1971 | 72.6 | 49 |
| 1970 | 94.9 | 56.2 |
| 1969 | 89.5 | 56.7 |
| 1968 | 89.8 | 53.8 |
| 1967 | 87.9 | 61.2 |
| 1966 | 95.4 | 61.4 |
| 1965 | 75.4 | 47.4 |
| 1964 | 74.9 | 48.2 |
| 1963 | 93.7 | 60.2 |
| 1962 | 74.3 | 56.1 |
| 1961 | 83.2 | 48.3 |
| 1960 | 83.5 | 50.7 |
| 1959 | 76.9 | 52.5 |
| 1958 | 93.7 | 59.2 |
| 1957 | 72.6 | 57.1 |
| 1956 | 91 | 55.5 |
| 1955 | 75.8 | 45 |
| 1954 | 80.9 | 50 |
| 1953 | 81.6 | 51.3 |
| 1952 | 92.4 | 57.7 |
| 1951 | 74.9 | 52.3 |
Nearby
Stockton, CA 4.0 mi, the nearest city with its own station