Lakehead, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 8.1 °C (low) to 23.2 °C (high). Annual precipitation averages 1720.6 Millimeters. 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 | 2.2 °C | 12.4 °C | 307.59 mm |
| February | 2.7 °C | 14.6 °C | 326.39 mm |
| March | 3.9 °C | 17.1 °C | 250.19 mm |
| April | 5.9 °C | 20.4 °C | 137.41 mm |
| May | 9.7 °C | 25.3 °C | 82.55 mm |
| June | 13.3 °C | 30.6 °C | 36.07 mm |
| July | 16.3 °C | 35.7 °C | 3.3 mm |
| August | 15.2 °C | 35.5 °C | 6.1 mm |
| September | 12.6 °C | 32.5 °C | 11.68 mm |
| October | 8.4 °C | 25.4 °C | 73.15 mm |
| November | 4.5 °C | 16.6 °C | 173.99 mm |
| December | 2.1 °C | 11.8 °C | 312.17 mm |
| Annual | 8.1 °C | 23.2 °C | 1720.59 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |