Selden, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.5 °C (low) to 18.7 °C (high). Annual precipitation averages 549.1 Millimeters. Selden 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 | -8.7 °C | 5.5 °C | 10.16 mm |
| February | -7.5 °C | 7.2 °C | 14.22 mm |
| March | -3 °C | 13.1 °C | 26.67 mm |
| April | 1.9 °C | 17.8 °C | 52.07 mm |
| May | 8.3 °C | 23.3 °C | 82.8 mm |
| June | 14.4 °C | 29.7 °C | 71.37 mm |
| July | 17.3 °C | 32.4 °C | 94.23 mm |
| August | 16.2 °C | 30.9 °C | 78.74 mm |
| September | 11 °C | 26.8 °C | 44.2 mm |
| October | 3.5 °C | 19.7 °C | 40.13 mm |
| November | -3.2 °C | 12.2 °C | 18.54 mm |
| December | -7.8 °C | 6.2 °C | 16 mm |
| Annual | 3.5 °C | 18.7 °C | 549.13 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |