Norwich, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.2 °F (low) to 68.6 °F (high). Annual precipitation averages 32.8 Inches. Norwich is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.0 °F | 43.7 °F | 0.84 in. |
| February | 26.5 °F | 48.3 °F | 1.28 in. |
| March | 35.1 °F | 58.3 °F | 2.26 in. |
| April | 44.1 °F | 67.7 °F | 3.06 in. |
| May | 55.2 °F | 77.5 °F | 4.87 in. |
| June | 65.1 °F | 87.5 °F | 4.94 in. |
| July | 69.4 °F | 92.4 °F | 3.94 in. |
| August | 67.8 °F | 90.8 °F | 3.6 in. |
| September | 59.8 °F | 83.2 °F | 2.44 in. |
| October | 47.2 °F | 71.2 °F | 2.93 in. |
| November | 35.1 °F | 57.2 °F | 1.44 in. |
| December | 25.6 °F | 45.3 °F | 1.23 in. |
| Annual | 46.2 °F | 68.6 °F | 32.83 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |