Santa Venetia, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 8.7 °C (low) to 20.6 °C (high). Annual precipitation averages 926.6 Millimeters. Santa Venetia is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.3 °C | 13.3 °C | 189.23 mm |
| February | 6.2 °C | 15.7 °C | 198.37 mm |
| March | 6.9 °C | 17.4 °C | 123.7 mm |
| April | 7.8 °C | 19.3 °C | 55.37 mm |
| May | 9.4 °C | 21.9 °C | 25.15 mm |
| June | 11.1 °C | 25.1 °C | 5.08 mm |
| July | 11.9 °C | 26.6 °C | 0 mm |
| August | 12.3 °C | 26.7 °C | 1.27 mm |
| September | 11.6 °C | 26.3 °C | 1.78 mm |
| October | 9.8 °C | 23.2 °C | 40.89 mm |
| November | 7 °C | 17.7 °C | 90.68 mm |
| December | 5.2 °C | 13.6 °C | 195.07 mm |
| Annual | 8.7 °C | 20.6 °C | 926.59 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |