NOAA's National Centers for Environmental Information
County Rankings
San Joaquin County, California
May 2009 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| May 2009 1-Month | 69.5°F (20.8°C) | 64.9°F (18.3°C) | 4.6°F | 126th Coolest | Coolest since: | 1998 |
| 5th Warmest | Warmest since: | 2001 | ||||
| Apr– 2-Month | 64.6°F (18.1°C) | 61.9°F (16.6°C) | 2.7°F | 112th Coolest | Coolest since: | 1967 |
| 19th Warmest | Warmest since: | 1992 | ||||
| Mar– 3-Month | 61.3°F (16.3°C) | 59.3°F (15.2°C) | 2.0°F | 104th Coolest | Coolest since: | 1902, 1917, 1967 |
| 27th Warmest | Warmest since: | 1992 | ||||
| Feb– 4-Month | 58.7°F (14.8°C) | 57.1°F (13.9°C) | 1.6°F | 103rd Coolest | Coolest since: | 1948, 1967 |
| 28th Warmest | Warmest since: | 1992 | ||||
| Jan– 5-Month | 56.6°F (13.7°C) | 54.7°F (12.6°C) | 1.9°F | 109th Coolest | Coolest since: | 1955 |
| 22nd Warmest | Warmest since: | 2014 | ||||
| Ties: 1978, 1987 | ||||||
| Dec 2008– 6-Month | 54.6°F (12.6°C) | 53.3°F (11.8°C) | 1.3°F | 98th Coolest | Coolest since: | 1955 |
| 32nd Warmest | Warmest since: | 2015 | ||||
| Ties: 1914, 1981 | ||||||
| Nov 2008– 7-Month | 54.9°F (12.7°C) | 53.3°F (11.8°C) | 1.6°F | 105th Coolest | Coolest since: | 1955 |
| 25th Warmest | Warmest since: | 2015 | ||||
| Ties: 1924, 1926, 1984 | ||||||
| Oct 2008– 8-Month | 56.2°F (13.4°C) | 54.6°F (12.6°C) | 1.6°F | 107th Coolest | Coolest since: | 1917 |
| 23rd Warmest | Warmest since: | 2015 | ||||
| Ties: 1941, 1987 | ||||||
| Sep 2008– 9-Month | 58.0°F (14.4°C) | 56.4°F (13.6°C) | 1.6°F | 108th Coolest | Coolest since: | 1917 |
| 22nd Warmest | Warmest since: | 2015 | ||||
| Ties: 1924 | ||||||
| Aug 2008– 10-Month | 60.0°F (15.6°C) | 58.2°F (14.6°C) | 1.8°F | 110th Coolest | Coolest since: | 1917 |
| 20th Warmest | Warmest since: | 2021 | ||||
| Jul 2008– 11-Month | 61.5°F (16.4°C) | 59.8°F (15.4°C) | 1.7°F | 112th Coolest | Coolest since: | 1917 |
| 18th Warmest | Warmest since: | 2015, 2021 | ||||
| Ties: 1940 | ||||||
| Jun 2008– 12-Month | 62.5°F (16.9°C) | 60.8°F (16.0°C) | 1.7°F | 115th Coolest | Coolest since: | 1917 |
| 15th Warmest | Warmest since: | 2021 | ||||
| Dec 2007– 18-Month | 59.6°F (15.3°C) | 58.3°F (14.6°C) | 1.3°F | 108th Coolest | Coolest since: | 1917, 1949 |
| 21st Warmest | Warmest since: | 2021 | ||||
| Ties: 1940, 2002 | ||||||
| Jun 2007– 24-Month | 62.0°F (16.7°C) | 60.8°F (16.0°C) | 1.2°F | 110th Coolest | Coolest since: | 1956 |
| 19th Warmest | Warmest since: | 2016, 2021 | ||||
| Jun 2006– 36-Month | 62.1°F (16.7°C) | 60.8°F (16.0°C) | 1.3°F | 111th Coolest | Coolest since: | 1950 |
| 17th Warmest | Warmest since: | 2022 | ||||
| Jun 2005– 48-Month | 62.1°F (16.7°C) | 60.7°F (15.9°C) | 1.4°F | 112th Coolest | Coolest since: | 1950, 1955, 1956, 1957 |
| 15th Warmest | Warmest since: | 2018, 2021, 2022 | ||||
| Ties: 1997, 2004 | ||||||
| Jun 2004– 60-Month | 62.0°F (16.7°C) | 60.7°F (15.9°C) | 1.3°F | 110th Coolest | Coolest since: | 1956 |
| 16th Warmest | Warmest since: | 2022 | ||||
| Ties: 1996, 1998, 2000, 2005 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Rankings, published March 2025, retrieved on March 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/rankings
