Bartlett, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.3 °C (low) to 16.1 °C (high). Annual precipitation averages 685.8 Millimeters. Bartlett is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.3 °C | 1.2 °C | 12.95 mm |
| February | -9.6 °C | 3.3 °C | 17.78 mm |
| March | -4.4 °C | 9.7 °C | 37.08 mm |
| April | 1.3 °C | 15.8 °C | 76.96 mm |
| May | 7.6 °C | 21.6 °C | 104.14 mm |
| June | 13.7 °C | 27.6 °C | 102.36 mm |
| July | 16.6 °C | 30.3 °C | 85.09 mm |
| August | 15.2 °C | 28.9 °C | 86.36 mm |
| September | 9.9 °C | 25.1 °C | 62.99 mm |
| October | 2.3 °C | 17.6 °C | 54.36 mm |
| November | -4.4 °C | 9.3 °C | 26.42 mm |
| December | -9.6 °C | 2.4 °C | 19.3 mm |
| Annual | 2.3 °C | 16.1 °C | 685.79 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |