Tulelake, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 31.3 °F (low) to 60.8 °F (high). Annual precipitation averages 10.7 Inches. Tulelake is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.9 °F | 41.3 °F | 1.39 in. |
| February | 22.8 °F | 45.6 °F | 1.1 in. |
| March | 25.6 °F | 51.3 °F | 1.21 in. |
| April | 28.7 °F | 56.6 °F | 0.99 in. |
| May | 35.9 °F | 65.7 °F | 1.17 in. |
| June | 40.9 °F | 73.9 °F | 0.74 in. |
| July | 46.6 °F | 83.5 °F | 0.19 in. |
| August | 44.2 °F | 82.7 °F | 0.26 in. |
| September | 37.3 °F | 76.5 °F | 0.36 in. |
| October | 29.3 °F | 63.9 °F | 0.72 in. |
| November | 24.0 °F | 48.9 °F | 1.08 in. |
| December | 19.9 °F | 40.0 °F | 1.48 in. |
| Annual | 31.3 °F | 60.8 °F | 10.69 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |