Shandon, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 43.4 °F (low) to 77.6 °F (high). Annual precipitation averages 12.3 Inches. Shandon is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.8 °F | 61.4 °F | 2.65 in. |
| February | 36.4 °F | 63.0 °F | 2.64 in. |
| March | 38.9 °F | 67.3 °F | 1.84 in. |
| April | 40.6 °F | 73.1 °F | 0.85 in. |
| May | 45.2 °F | 81.3 °F | 0.36 in. |
| June | 49.9 °F | 89.8 °F | 0.06 in. |
| July | 54.4 °F | 95.8 °F | 0.03 in. |
| August | 54.0 °F | 96.1 °F | 0.0 in. |
| September | 50.8 °F | 91.4 °F | 0.08 in. |
| October | 44.6 °F | 81.6 °F | 0.54 in. |
| November | 37.7 °F | 69.0 °F | 0.88 in. |
| December | 33.5 °F | 61.0 °F | 2.36 in. |
| Annual | 43.4 °F | 77.6 °F | 12.29 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |