Fingal, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31 °F (low) to 51.6 °F (high). Annual precipitation averages 22.5 Inches. Fingal 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 | -0.2 °F | 17.3 °F | 0.56 in. |
| February | 3.7 °F | 22.5 °F | 0.56 in. |
| March | 16.4 °F | 35.0 °F | 0.93 in. |
| April | 30.4 °F | 52.4 °F | 1.19 in. |
| May | 43.6 °F | 66.5 °F | 3.18 in. |
| June | 54.9 °F | 76.3 °F | 4.07 in. |
| July | 58.8 °F | 80.7 °F | 3.24 in. |
| August | 56.0 °F | 79.5 °F | 2.59 in. |
| September | 46.7 °F | 71.4 °F | 2.7 in. |
| October | 34.0 °F | 55.7 °F | 2.07 in. |
| November | 19.8 °F | 37.9 °F | 0.7 in. |
| December | 7.6 °F | 23.5 °F | 0.7 in. |
| Annual | 31 °F | 51.6 °F | 22.49 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 4a : -30°F to -25°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 |