Planada, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 48.3 °F (low) to 75.2 °F (high). Annual precipitation averages 12.8 Inches. Planada is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.7 °F | 55.3 °F | 2.62 in. |
| February | 39.9 °F | 61.0 °F | 2.26 in. |
| March | 42.7 °F | 66.6 °F | 2.16 in. |
| April | 45.6 °F | 72.5 °F | 1.08 in. |
| May | 51.7 °F | 80.6 °F | 0.56 in. |
| June | 57.1 °F | 88.9 °F | 0.12 in. |
| July | 61.5 °F | 94.4 °F | 0.03 in. |
| August | 60.2 °F | 93.2 °F | 0.03 in. |
| September | 56.7 °F | 89.1 °F | 0.05 in. |
| October | 49.1 °F | 79.3 °F | 0.62 in. |
| November | 41.1 °F | 65.5 °F | 1.11 in. |
| December | 36.6 °F | 55.8 °F | 2.19 in. |
| Annual | 48.3 °F | 75.2 °F | 12.83 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 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 |