Coalinga, California has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 10.1 °C (low) to 25.5 °C (high). Annual precipitation averages 203.2 Millimeters. 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 | 3.3 °C | 14.4 °C | 53.59 mm |
| February | 4.8 °C | 17.2 °C | 40.39 mm |
| March | 6.4 °C | 20.4 °C | 34.04 mm |
| April | 8.2 °C | 23.9 °C | 13.46 mm |
| May | 11.9 °C | 28.8 °C | 7.11 mm |
| June | 15.4 °C | 33.3 °C | 1.27 mm |
| July | 18.6 °C | 36.8 °C | 0.51 mm |
| August | 17.8 °C | 36.1 °C | 0 mm |
| September | 15.4 °C | 33.3 °C | 1.27 mm |
| October | 10.9 °C | 27.2 °C | 9.14 mm |
| November | 6 °C | 19.7 °C | 12.7 mm |
| December | 2.8 °C | 14.6 °C | 29.72 mm |
| Annual | 10.1 °C | 25.5 °C | 203.2 mm |
| 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 : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |