Coalinga, California has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 50.2 °F (low) to 77.9 °F (high). Annual precipitation averages 8 Inches. Coalinga is located in USDA Plant Hardiness Zone 9b. 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 | 38.0 °F | 58.0 °F | 2.11 in. |
| February | 40.7 °F | 63.0 °F | 1.59 in. |
| March | 43.6 °F | 68.8 °F | 1.34 in. |
| April | 46.7 °F | 75.0 °F | 0.53 in. |
| May | 53.4 °F | 83.9 °F | 0.28 in. |
| June | 59.7 °F | 92.0 °F | 0.05 in. |
| July | 65.4 °F | 98.2 °F | 0.02 in. |
| August | 64.0 °F | 97.0 °F | 0.0 in. |
| September | 59.8 °F | 91.9 °F | 0.05 in. |
| October | 51.6 °F | 80.9 °F | 0.36 in. |
| November | 42.8 °F | 67.5 °F | 0.5 in. |
| December | 37.1 °F | 58.3 °F | 1.17 in. |
| Annual | 50.2 °F | 77.9 °F | 8 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 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |