Wellfleet, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.6 °F (low) to 63.7 °F (high). Annual precipitation averages 21.6 Inches. Wellfleet is located in USDA Plant Hardiness Zone 5b. 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 | 13.9 °F | 39.2 °F | 0.37 in. |
| February | 16.6 °F | 42.0 °F | 0.57 in. |
| March | 25.3 °F | 53.0 °F | 1.07 in. |
| April | 34.6 °F | 62.0 °F | 2.36 in. |
| May | 45.5 °F | 72.0 °F | 3.46 in. |
| June | 56.5 °F | 83.1 °F | 3.72 in. |
| July | 61.8 °F | 88.7 °F | 2.74 in. |
| August | 59.6 °F | 86.6 °F | 2.81 in. |
| September | 49.8 °F | 79.4 °F | 1.72 in. |
| October | 36.2 °F | 65.9 °F | 1.6 in. |
| November | 24.1 °F | 51.8 °F | 0.71 in. |
| December | 15.4 °F | 40.7 °F | 0.5 in. |
| Annual | 36.6 °F | 63.7 °F | 21.63 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 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |