Norway, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.5 °C (low) to 18.2 °C (high). Annual precipitation averages 748 Millimeters. Norway is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.2 °C | 3.3 °C | 16.51 mm |
| February | -6.6 °C | 5.8 °C | 22.35 mm |
| March | -1.2 °C | 12.5 °C | 39.37 mm |
| April | 4.3 °C | 18.2 °C | 67.31 mm |
| May | 10.9 °C | 23.6 °C | 113.54 mm |
| June | 16.9 °C | 29.6 °C | 110.24 mm |
| July | 19.6 °C | 32.1 °C | 112.01 mm |
| August | 18.2 °C | 30.7 °C | 87.88 mm |
| September | 13.2 °C | 26.8 °C | 69.34 mm |
| October | 5.8 °C | 19.7 °C | 52.07 mm |
| November | -1.2 °C | 11.6 °C | 31.75 mm |
| December | -6.2 °C | 4.9 °C | 25.65 mm |
| Annual | 5.5 °C | 18.2 °C | 748.02 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |