Parkwood, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 48.9 °F (low) to 75.8 °F (high). Annual precipitation averages 11.7 Inches. Parkwood is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.8 °F | 55.5 °F | 2.26 in. |
| February | 40.1 °F | 61.3 °F | 2.22 in. |
| March | 42.9 °F | 67.2 °F | 1.99 in. |
| April | 46.0 °F | 72.9 °F | 0.93 in. |
| May | 52.4 °F | 81.9 °F | 0.51 in. |
| June | 57.8 °F | 90.0 °F | 0.13 in. |
| July | 63.0 °F | 95.7 °F | 0.02 in. |
| August | 61.7 °F | 94.9 °F | 0.02 in. |
| September | 57.6 °F | 90.0 °F | 0.07 in. |
| October | 49.7 °F | 78.9 °F | 0.59 in. |
| November | 41.5 °F | 65.7 °F | 1.0 in. |
| December | 36.6 °F | 55.8 °F | 1.91 in. |
| Annual | 48.9 °F | 75.8 °F | 11.65 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |