Broadwater, Nebraska has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 0.9 °C (low) to 17.7 °C (high). Annual precipitation averages 403.4 Millimeters. Broadwater is located in USDA Plant Hardiness Zone 5a. 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 | -11.3 °C | 4.6 °C | 6.35 mm |
| February | -9.7 °C | 6.4 °C | 8.38 mm |
| March | -4.9 °C | 12.2 °C | 16.26 mm |
| April | -0.2 °C | 16.4 °C | 36.83 mm |
| May | 5.8 °C | 21.6 °C | 71.12 mm |
| June | 11.7 °C | 28.3 °C | 73.66 mm |
| July | 15.1 °C | 32.2 °C | 60.96 mm |
| August | 13.6 °C | 31 °C | 43.18 mm |
| September | 7.8 °C | 26.2 °C | 41.15 mm |
| October | 0 °C | 18.1 °C | 26.16 mm |
| November | -6.3 °C | 10.9 °C | 12.19 mm |
| December | -11 °C | 4.8 °C | 7.11 mm |
| Annual | 0.9 °C | 17.7 °C | 403.35 mm |
| 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |