North Platte, 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 17.2 °C (high). Annual precipitation averages 542.8 Millimeters. North Platte 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 | -10.4 °C | 3.7 °C | 8.38 mm |
| February | -8.7 °C | 5.4 °C | 12.95 mm |
| March | -3.9 °C | 11.4 °C | 25.15 mm |
| April | 1.2 °C | 16.1 °C | 57.15 mm |
| May | 7.3 °C | 21.6 °C | 89.15 mm |
| June | 13.4 °C | 27.7 °C | 92.46 mm |
| July | 16.4 °C | 30.9 °C | 78.74 mm |
| August | 15.1 °C | 29.9 °C | 66.8 mm |
| September | 9.6 °C | 25.8 °C | 42.16 mm |
| October | 1.9 °C | 18.2 °C | 44.96 mm |
| November | -4.8 °C | 10.6 °C | 13.97 mm |
| December | -9.7 °C | 4.6 °C | 10.92 mm |
| Annual | 2.3 °C | 17.2 °C | 542.79 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 5b : -26.1°C to -23.3°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 |