Pearsonville, California has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 49.8 °F (low) to 80 °F (high). Annual precipitation averages 4.5 Inches. Pearsonville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.6 °F | 59.4 °F | 0.91 in. |
| February | 36.8 °F | 62.7 °F | 1.13 in. |
| March | 41.4 °F | 68.6 °F | 0.64 in. |
| April | 46.6 °F | 77.4 °F | 0.16 in. |
| May | 55.2 °F | 86.5 °F | 0.09 in. |
| June | 63.6 °F | 96.6 °F | 0.02 in. |
| July | 69.3 °F | 102.7 °F | 0.22 in. |
| August | 67.8 °F | 101.9 °F | 0.12 in. |
| September | 61.4 °F | 95.1 °F | 0.13 in. |
| October | 50.6 °F | 82.8 °F | 0.13 in. |
| November | 39.2 °F | 68.0 °F | 0.24 in. |
| December | 32.6 °F | 58.3 °F | 0.66 in. |
| Annual | 49.8 °F | 80 °F | 4.45 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BWh - Hot Desert Climate |