Collyer, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.3 °C (low) to 19.1 °C (high). Annual precipitation averages 569.2 Millimeters. Collyer 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 | -8.3 °C | 5.8 °C | 11.94 mm |
| February | -6.8 °C | 7.6 °C | 17.27 mm |
| March | -2.3 °C | 13.4 °C | 32.77 mm |
| April | 2.8 °C | 18.3 °C | 50.8 mm |
| May | 9.1 °C | 23.7 °C | 90.17 mm |
| June | 15.2 °C | 30.2 °C | 74.93 mm |
| July | 18.2 °C | 32.8 °C | 89.66 mm |
| August | 17.1 °C | 31.4 °C | 76.96 mm |
| September | 12.1 °C | 27.2 °C | 45.47 mm |
| October | 4.5 °C | 20.2 °C | 41.15 mm |
| November | -2.3 °C | 12.6 °C | 19.56 mm |
| December | -7.3 °C | 6.3 °C | 18.54 mm |
| Annual | 4.3 °C | 19.1 °C | 569.22 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 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 |