Berlin, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.3 °F (low) to 52.7 °F (high). Annual precipitation averages 22.5 Inches. Berlin is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.1 °F | 19.7 °F | 0.55 in. |
| February | 4.9 °F | 24.4 °F | 0.6 in. |
| March | 17.3 °F | 36.8 °F | 1.06 in. |
| April | 30.3 °F | 53.8 °F | 1.57 in. |
| May | 43.6 °F | 67.0 °F | 3.18 in. |
| June | 54.8 °F | 76.6 °F | 3.83 in. |
| July | 59.0 °F | 81.6 °F | 3.46 in. |
| August | 56.1 °F | 80.4 °F | 2.41 in. |
| September | 46.8 °F | 71.9 °F | 2.51 in. |
| October | 33.6 °F | 56.2 °F | 1.97 in. |
| November | 19.9 °F | 38.8 °F | 0.68 in. |
| December | 8.0 °F | 25.0 °F | 0.7 in. |
| Annual | 31.3 °F | 52.7 °F | 22.52 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |