Robbins, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 9.1 °C (low) to 23.5 °C (high). Annual precipitation averages 510 Millimeters. Robbins is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.8 °C | 12.8 °C | 104.65 mm |
| February | 5 °C | 15.8 °C | 98.3 mm |
| March | 6.4 °C | 18.8 °C | 73.66 mm |
| April | 7.8 °C | 22 °C | 34.8 mm |
| May | 10.9 °C | 26.7 °C | 20.07 mm |
| June | 13.7 °C | 30.8 °C | 5.08 mm |
| July | 15.1 °C | 33.8 °C | 0 mm |
| August | 14.4 °C | 33.3 °C | 1.27 mm |
| September | 13 °C | 31.3 °C | 3.05 mm |
| October | 9.6 °C | 25.8 °C | 21.84 mm |
| November | 5.5 °C | 18 °C | 51.31 mm |
| December | 3.4 °C | 12.9 °C | 96.01 mm |
| Annual | 9.1 °C | 23.5 °C | 510.04 mm |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | 10-20 Days |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |