Firebaugh, California has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 48 °F (low) to 75.3 °F (high). Annual precipitation averages 9.1 Inches. Firebaugh is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.4 °F | 55.4 °F | 1.86 in. |
| February | 39.8 °F | 61.4 °F | 1.72 in. |
| March | 42.7 °F | 67.2 °F | 1.55 in. |
| April | 45.5 °F | 72.9 °F | 0.72 in. |
| May | 51.4 °F | 81.3 °F | 0.43 in. |
| June | 56.3 °F | 89.0 °F | 0.07 in. |
| July | 60.8 °F | 94.0 °F | 0.0 in. |
| August | 59.8 °F | 92.8 °F | 0.01 in. |
| September | 56.3 °F | 88.7 °F | 0.06 in. |
| October | 49.2 °F | 78.8 °F | 0.44 in. |
| November | 41.0 °F | 65.6 °F | 0.73 in. |
| December | 35.9 °F | 55.9 °F | 1.51 in. |
| Annual | 48 °F | 75.3 °F | 9.1 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 20-30 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 | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |