North Browning, Montana has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.3 °C (low) to 11.3 °C (high). Annual precipitation averages 419.6 Millimeters. North Browning is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.3 °C | 0.2 °C | 21.34 mm |
| February | -10.1 °C | 0.9 °C | 26.67 mm |
| March | -6.7 °C | 4.8 °C | 26.16 mm |
| April | -2.3 °C | 9.8 °C | 36.83 mm |
| May | 2.1 °C | 15 °C | 57.91 mm |
| June | 6 °C | 19.3 °C | 77.98 mm |
| July | 8.7 °C | 25.1 °C | 30.99 mm |
| August | 8 °C | 24.9 °C | 26.92 mm |
| September | 4.2 °C | 19.2 °C | 33.27 mm |
| October | -0.7 °C | 11.4 °C | 33.27 mm |
| November | -5.1 °C | 4.7 °C | 26.92 mm |
| December | -9.3 °C | 0.3 °C | 21.34 mm |
| Annual | -1.3 °C | 11.3 °C | 419.6 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |