Adin, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 0.8 °C (low) to 17.5 °C (high). Annual precipitation averages 392.4 Millimeters. Adin 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 Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.4 °C | 6.7 °C | 56.64 mm |
| February | -4.4 °C | 8.6 °C | 39.37 mm |
| March | -2.6 °C | 11.5 °C | 46.23 mm |
| April | -0.6 °C | 14.5 °C | 40.39 mm |
| May | 2.9 °C | 19.8 °C | 45.21 mm |
| June | 6.1 °C | 25.1 °C | 19.81 mm |
| July | 9.4 °C | 30.7 °C | 6.6 mm |
| August | 8.3 °C | 30.1 °C | 4.83 mm |
| September | 4.7 °C | 26.6 °C | 9.4 mm |
| October | 0.4 °C | 19.2 °C | 25.91 mm |
| November | -3.2 °C | 11.1 °C | 40.13 mm |
| December | -5.9 °C | 5.9 °C | 57.91 mm |
| Annual | 0.8 °C | 17.5 °C | 392.43 mm |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |