Atwood, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.9 °C (low) to 19.1 °C (high). Annual precipitation averages 542.1 Millimeters. Atwood is located in USDA Plant Hardiness Zone 6a. 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 | -9.3 °C | 5.6 °C | 9.91 mm |
| February | -8.1 °C | 7.3 °C | 13.97 mm |
| March | -3.6 °C | 13.3 °C | 25.15 mm |
| April | 1.4 °C | 18.2 °C | 55.63 mm |
| May | 7.8 °C | 23.7 °C | 81.28 mm |
| June | 13.9 °C | 30.3 °C | 82.8 mm |
| July | 16.9 °C | 33.3 °C | 86.36 mm |
| August | 15.7 °C | 31.7 °C | 75.95 mm |
| September | 10.3 °C | 27.4 °C | 41.15 mm |
| October | 2.6 °C | 19.7 °C | 37.85 mm |
| November | -4.1 °C | 12.1 °C | 17.53 mm |
| December | -8.6 °C | 6.2 °C | 14.48 mm |
| Annual | 2.9 °C | 19.1 °C | 542.06 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |