North Fork, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 46.7 °F (low) to 73.7 °F (high). Annual precipitation averages 33.1 Inches. North Fork 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.7 °F | 56.8 °F | 6.95 in. |
| February | 35.6 °F | 58.0 °F | 5.94 in. |
| March | 38.4 °F | 62.1 °F | 5.31 in. |
| April | 41.3 °F | 66.7 °F | 2.65 in. |
| May | 47.9 °F | 76.6 °F | 1.48 in. |
| June | 55.8 °F | 87.5 °F | 0.48 in. |
| July | 63.1 °F | 95.6 °F | 0.15 in. |
| August | 62.7 °F | 95.1 °F | 0.07 in. |
| September | 57.5 °F | 89.1 °F | 0.21 in. |
| October | 48.5 °F | 77.1 °F | 1.62 in. |
| November | 40.0 °F | 64.4 °F | 2.69 in. |
| December | 34.3 °F | 55.8 °F | 5.54 in. |
| Annual | 46.7 °F | 73.7 °F | 33.09 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |