Reed Point, Montana has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.2 °C (low) to 15.8 °C (high). Annual precipitation averages 409.7 Millimeters. Reed Point 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.8 °C | 3.3 °C | 15.75 mm |
| February | -8.9 °C | 4.9 °C | 18.8 mm |
| March | -4.8 °C | 10.2 °C | 24.64 mm |
| April | -0.7 °C | 14.5 °C | 50.04 mm |
| May | 4.3 °C | 19.5 °C | 75.69 mm |
| June | 8.8 °C | 24.6 °C | 61.47 mm |
| July | 11.9 °C | 30.4 °C | 29.21 mm |
| August | 10.7 °C | 29.9 °C | 23.37 mm |
| September | 5.9 °C | 24.1 °C | 34.04 mm |
| October | 0.2 °C | 16.1 °C | 42.16 mm |
| November | -5.2 °C | 8.4 °C | 18.03 mm |
| December | -9.5 °C | 3.1 °C | 16.51 mm |
| Annual | 0.2 °C | 15.8 °C | 409.71 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |