Saxon, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.7 °C (low) to 10.3 °C (high). Annual precipitation averages 902.2 Millimeters. Saxon is located in USDA Plant Hardiness Zone 4b. 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 | -15.4 °C | -6.1 °C | 44.2 mm |
| February | -14.7 °C | -3.7 °C | 36.32 mm |
| March | -9.4 °C | 2.5 °C | 46.23 mm |
| April | -2.1 °C | 9.4 °C | 73.15 mm |
| May | 4.4 °C | 17.2 °C | 89.66 mm |
| June | 10.1 °C | 22.6 °C | 102.36 mm |
| July | 13 °C | 25 °C | 117.09 mm |
| August | 12 °C | 24.3 °C | 95.25 mm |
| September | 7.9 °C | 20 °C | 94.23 mm |
| October | 1.6 °C | 12.1 °C | 91.95 mm |
| November | -4.3 °C | 3.7 °C | 59.44 mm |
| December | -11.1 °C | -3.1 °C | 52.32 mm |
| Annual | -0.7 °C | 10.3 °C | 902.2 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |