Paxton, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 2.3 °C (low) to 19.6 °C (high). Annual precipitation averages 959.4 Millimeters. Paxton is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.9 °C | 8.3 °C | 167.13 mm |
| February | -2.5 °C | 10.8 °C | 167.13 mm |
| March | -0.9 °C | 13.3 °C | 141.22 mm |
| April | 0.6 °C | 17.3 °C | 74.17 mm |
| May | 3.9 °C | 22.4 °C | 46.99 mm |
| June | 7.2 °C | 27.8 °C | 18.8 mm |
| July | 9.9 °C | 32.4 °C | 3.81 mm |
| August | 9.1 °C | 32.2 °C | 3.56 mm |
| September | 5.9 °C | 28.8 °C | 9.91 mm |
| October | 1.8 °C | 21.6 °C | 50.04 mm |
| November | -1.1 °C | 12.7 °C | 93.47 mm |
| December | -3.1 °C | 7.6 °C | 183.13 mm |
| Annual | 2.3 °C | 19.6 °C | 959.36 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |