Litchfield, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 35.5 °F (low) to 65.2 °F (high). Annual precipitation averages 10.4 Inches. Litchfield is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.3 °F | 43.5 °F | 1.65 in. |
| February | 25.5 °F | 48.2 °F | 1.36 in. |
| March | 29.8 °F | 54.6 °F | 1.08 in. |
| April | 33.1 °F | 61.6 °F | 0.56 in. |
| May | 40.1 °F | 70.8 °F | 0.98 in. |
| June | 45.7 °F | 80.7 °F | 0.72 in. |
| July | 52.2 °F | 89.7 °F | 0.35 in. |
| August | 50.6 °F | 88.9 °F | 0.14 in. |
| September | 43.5 °F | 81.6 °F | 0.2 in. |
| October | 35.2 °F | 67.9 °F | 0.68 in. |
| November | 26.6 °F | 52.7 °F | 0.97 in. |
| December | 21.5 °F | 42.7 °F | 1.72 in. |
| Annual | 35.5 °F | 65.2 °F | 10.41 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°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 |