Dixon, Montana has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.4 °F (low) to 59.3 °F (high). Annual precipitation averages 13 Inches. Dixon is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.9 °F | 35.5 °F | 0.9 in. |
| February | 23.6 °F | 39.7 °F | 0.84 in. |
| March | 28.8 °F | 49.8 °F | 0.79 in. |
| April | 34.4 °F | 58.5 °F | 1.34 in. |
| May | 41.5 °F | 68.2 °F | 1.46 in. |
| June | 48.1 °F | 75.1 °F | 2.08 in. |
| July | 53.5 °F | 86.4 °F | 0.7 in. |
| August | 52.1 °F | 86.1 °F | 0.6 in. |
| September | 44.8 °F | 74.8 °F | 1.03 in. |
| October | 35.6 °F | 58.8 °F | 1.1 in. |
| November | 28.2 °F | 43.2 °F | 1.19 in. |
| December | 23.0 °F | 35.0 °F | 0.94 in. |
| Annual | 36.4 °F | 59.3 °F | 12.97 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |