Lakehead, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 46.5 °F (low) to 73.7 °F (high). Annual precipitation averages 67.7 Inches. Lakehead is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.9 °F | 54.3 °F | 12.11 in. |
| February | 36.9 °F | 58.2 °F | 12.85 in. |
| March | 39.1 °F | 62.8 °F | 9.85 in. |
| April | 42.7 °F | 68.8 °F | 5.41 in. |
| May | 49.4 °F | 77.6 °F | 3.25 in. |
| June | 55.9 °F | 87.0 °F | 1.42 in. |
| July | 61.4 °F | 96.3 °F | 0.13 in. |
| August | 59.3 °F | 95.9 °F | 0.24 in. |
| September | 54.6 °F | 90.5 °F | 0.46 in. |
| October | 47.2 °F | 77.7 °F | 2.88 in. |
| November | 40.1 °F | 61.9 °F | 6.85 in. |
| December | 35.8 °F | 53.3 °F | 12.29 in. |
| Annual | 46.5 °F | 73.7 °F | 67.74 in. |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |