Parkwood, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 9.4 °C (low) to 24.3 °C (high). Annual precipitation averages 295.9 Millimeters. 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 | 3.2 °C | 13.1 °C | 57.4 mm |
| February | 4.5 °C | 16.3 °C | 56.39 mm |
| March | 6.1 °C | 19.6 °C | 50.55 mm |
| April | 7.8 °C | 22.7 °C | 23.62 mm |
| May | 11.3 °C | 27.7 °C | 12.95 mm |
| June | 14.3 °C | 32.2 °C | 3.3 mm |
| July | 17.2 °C | 35.4 °C | 0.51 mm |
| August | 16.5 °C | 34.9 °C | 0.51 mm |
| September | 14.2 °C | 32.2 °C | 1.78 mm |
| October | 9.8 °C | 26.1 °C | 14.99 mm |
| November | 5.3 °C | 18.7 °C | 25.4 mm |
| December | 2.6 °C | 13.2 °C | 48.51 mm |
| Annual | 9.4 °C | 24.3 °C | 295.91 mm |
| 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 : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |