Weitchpec, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 44 °F (low) to 71.5 °F (high). Annual precipitation averages 55.7 Inches. Weitchpec is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.8 °F | 51.8 °F | 9.91 in. |
| February | 37.3 °F | 56.6 °F | 7.42 in. |
| March | 38.7 °F | 61.8 °F | 7.4 in. |
| April | 41.1 °F | 68.1 °F | 4.61 in. |
| May | 45.2 °F | 75.5 °F | 2.39 in. |
| June | 49.5 °F | 82.9 °F | 0.97 in. |
| July | 54.3 °F | 93.2 °F | 0.21 in. |
| August | 53.7 °F | 94.7 °F | 0.19 in. |
| September | 49.9 °F | 89.3 °F | 0.78 in. |
| October | 44.7 °F | 75.9 °F | 3.4 in. |
| November | 40.4 °F | 58.4 °F | 6.87 in. |
| December | 36.5 °F | 50.3 °F | 11.57 in. |
| Annual | 44 °F | 71.5 °F | 55.72 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |