Snelling, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 49 °F (low) to 75.3 °F (high). Annual precipitation averages 13.5 Inches. Snelling 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 | 38.3 °F | 55.3 °F | 2.76 in. |
| February | 40.4 °F | 61.0 °F | 2.35 in. |
| March | 43.3 °F | 66.5 °F | 2.18 in. |
| April | 46.4 °F | 72.2 °F | 1.22 in. |
| May | 51.9 °F | 80.9 °F | 0.54 in. |
| June | 57.3 °F | 89.2 °F | 0.13 in. |
| July | 61.8 °F | 94.7 °F | 0.06 in. |
| August | 61.0 °F | 93.6 °F | 0.02 in. |
| September | 57.2 °F | 89.3 °F | 0.06 in. |
| October | 50.6 °F | 79.2 °F | 0.66 in. |
| November | 42.5 °F | 65.4 °F | 1.09 in. |
| December | 37.4 °F | 55.8 °F | 2.43 in. |
| Annual | 49 °F | 75.3 °F | 13.5 in. |
| 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 : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |