Pine Flat, California has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 7.9 °C (low) to 21.2 °C (high). Annual precipitation averages 589.8 Millimeters. Pine Flat is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.9 °C | 13.1 °C | 111 mm |
| February | 1.9 °C | 12.9 °C | 119.38 mm |
| March | 3.3 °C | 15.3 °C | 92.2 mm |
| April | 4.8 °C | 17.4 °C | 51.05 mm |
| May | 8.3 °C | 22.4 °C | 22.35 mm |
| June | 12.4 °C | 28 °C | 8.38 mm |
| July | 16.6 °C | 32.1 °C | 1.78 mm |
| August | 16.3 °C | 32 °C | 2.03 mm |
| September | 13.6 °C | 29.1 °C | 3.56 mm |
| October | 8.8 °C | 22.7 °C | 25.4 mm |
| November | 4.7 °C | 16.9 °C | 52.32 mm |
| December | 1.7 °C | 12.4 °C | 100.33 mm |
| Annual | 7.9 °C | 21.2 °C | 589.78 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |