Anamoose, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.7 °C (low) to 10.6 °C (high). Annual precipitation averages 478.8 Millimeters. Anamoose is located in USDA Plant Hardiness Zone 4a. 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 | -18.3 °C | -7.9 °C | 11.68 mm |
| February | -16.6 °C | -5.4 °C | 11.68 mm |
| March | -9.6 °C | 1.4 °C | 19.05 mm |
| April | -1.9 °C | 11.1 °C | 27.43 mm |
| May | 5.2 °C | 18.7 °C | 69.85 mm |
| June | 11.5 °C | 23.6 °C | 86.87 mm |
| July | 13.9 °C | 26.9 °C | 76.45 mm |
| August | 12.3 °C | 26.9 °C | 53.34 mm |
| September | 7.1 °C | 21.5 °C | 47.24 mm |
| October | -0.2 °C | 12.6 °C | 38.86 mm |
| November | -8.1 °C | 2.5 °C | 20.83 mm |
| December | -15.1 °C | -5.2 °C | 15.49 mm |
| Annual | -1.7 °C | 10.6 °C | 478.77 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |