Bartlett, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.1 °F (low) to 60.9 °F (high). Annual precipitation averages 27 Inches. 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 | 11.6 °F | 34.1 °F | 0.51 in. |
| February | 14.7 °F | 37.9 °F | 0.7 in. |
| March | 24.0 °F | 49.5 °F | 1.46 in. |
| April | 34.3 °F | 60.4 °F | 3.03 in. |
| May | 45.6 °F | 70.8 °F | 4.1 in. |
| June | 56.6 °F | 81.6 °F | 4.03 in. |
| July | 61.8 °F | 86.6 °F | 3.35 in. |
| August | 59.4 °F | 84.1 °F | 3.4 in. |
| September | 49.9 °F | 77.1 °F | 2.48 in. |
| October | 36.2 °F | 63.7 °F | 2.14 in. |
| November | 24.1 °F | 48.7 °F | 1.04 in. |
| December | 14.8 °F | 36.4 °F | 0.76 in. |
| Annual | 36.1 °F | 60.9 °F | 27 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |