Alpaugh, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 9.3 °C (low) to 25 °C (high). Annual precipitation averages 201.7 Millimeters. Alpaugh is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.2 °C | 13.5 °C | 42.93 mm |
| February | 3.8 °C | 16.8 °C | 36.32 mm |
| March | 5.8 °C | 20.2 °C | 33.53 mm |
| April | 7.9 °C | 23.4 °C | 14.99 mm |
| May | 11.7 °C | 28.4 °C | 7.62 mm |
| June | 14.9 °C | 32.9 °C | 1.78 mm |
| July | 18.1 °C | 36 °C | 0.51 mm |
| August | 17.1 °C | 35.6 °C | 0.76 mm |
| September | 14.5 °C | 32.9 °C | 1.27 mm |
| October | 9.5 °C | 27.2 °C | 10.41 mm |
| November | 4.4 °C | 19.3 °C | 16.51 mm |
| December | 1.4 °C | 13.7 °C | 35.05 mm |
| Annual | 9.3 °C | 25 °C | 201.68 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |