Tioga, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.4 °C (low) to 10.3 °C (high). Annual precipitation averages 409.7 Millimeters. Tioga is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -18.5 °C | -7.7 °C | 13.46 mm |
| February | -16 °C | -5.1 °C | 9.91 mm |
| March | -9.7 °C | 1.7 °C | 13.97 mm |
| April | -2.6 °C | 10.9 °C | 25.4 mm |
| May | 3.9 °C | 17.9 °C | 56.64 mm |
| June | 9.8 °C | 22.7 °C | 86.36 mm |
| July | 12.2 °C | 26.3 °C | 69.09 mm |
| August | 11.2 °C | 27.1 °C | 44.45 mm |
| September | 5.6 °C | 21.3 °C | 31.5 mm |
| October | -1.2 °C | 11.8 °C | 26.42 mm |
| November | -8.6 °C | 2.2 °C | 15.75 mm |
| December | -15.2 °C | -5.2 °C | 16.76 mm |
| Annual | -2.4 °C | 10.3 °C | 409.71 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |