Callaway, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36 °F (low) to 62.1 °F (high). Annual precipitation averages 24.5 Inches. Callaway 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 | 13.0 °F | 37.1 °F | 0.43 in. |
| February | 15.8 °F | 40.5 °F | 0.64 in. |
| March | 24.7 °F | 51.5 °F | 1.28 in. |
| April | 34.0 °F | 60.6 °F | 2.65 in. |
| May | 45.3 °F | 70.7 °F | 4.18 in. |
| June | 56.4 °F | 81.2 °F | 3.77 in. |
| July | 61.4 °F | 86.8 °F | 3.5 in. |
| August | 59.0 °F | 84.9 °F | 2.8 in. |
| September | 48.9 °F | 77.9 °F | 1.94 in. |
| October | 35.4 °F | 64.5 °F | 1.93 in. |
| November | 23.3 °F | 50.3 °F | 0.83 in. |
| December | 14.8 °F | 38.9 °F | 0.57 in. |
| Annual | 36 °F | 62.1 °F | 24.52 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 |