San Joaquin, CA
Climate overview — based on NOAA 1991-2020 normals from FIVE POINTS 5 SSW, CA US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
San Joaquin has an annual average temperature of 64.3°F with about 0 inches of precipitation per year. The warmest month is July (average high 99.2°F), and the coldest is December (average low 36.6°F).
Annual swing
33.4°F
warmest to coldest month
Best time to visit San Joaquin
Full guide →Climate change signal
All-time records →121 of 366 (33.1%) of San Joaquin's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 24 | |
| 1950s | 52 | |
| 1960s | 28 | |
| 1970s | 15 | |
| 1980s | 14 | |
| 1990s | 42 | |
| 2000s | 35 | |
| 2010s | 86 | |
| 2020s | 70 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 58.6°F | 37.7°F | 48.2°F | in | — | — |
| February | 64.7°F | 40.2°F | 52.5°F | in | — | — |
| March | 71.2°F | 43.6°F | 57.4°F | in | — | — |
| April | 77.0°F | 47.0°F | 62.0°F | in | — | — |
| May | 85.9°F | 53.8°F | 69.8°F | in | — | — |
| June | 94.2°F | 57.7°F | 76.0°F | in | — | — |
| July | 99.2°F | 62.9°F | 81.0°F | in | — | — |
| August | 97.8°F | 62.0°F | 79.9°F | in | — | — |
| September | 93.5°F | 58.4°F | 76.0°F | in | — | — |
| October | 82.3°F | 49.9°F | 66.1°F | in | — | — |
| November | 69.2°F | 41.3°F | 55.2°F | in | — | — |
| December | 58.7°F | 36.6°F | 47.6°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when