Cayuga, North Dakota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.5 °F (low) to 52.1 °F (high). Annual precipitation averages 23.8 Inches. Cayuga is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.3 °F | 19.0 °F | 0.65 in. |
| February | 5.6 °F | 23.8 °F | 0.61 in. |
| March | 18.0 °F | 36.4 °F | 0.99 in. |
| April | 31.9 °F | 52.5 °F | 1.79 in. |
| May | 45.3 °F | 66.3 °F | 3.11 in. |
| June | 56.3 °F | 75.9 °F | 4.3 in. |
| July | 60.5 °F | 80.5 °F | 3.6 in. |
| August | 57.7 °F | 79.1 °F | 2.34 in. |
| September | 48.2 °F | 71.3 °F | 2.57 in. |
| October | 34.9 °F | 55.6 °F | 2.3 in. |
| November | 21.3 °F | 38.9 °F | 0.81 in. |
| December | 9.0 °F | 25.4 °F | 0.71 in. |
| Annual | 32.5 °F | 52.1 °F | 23.78 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |