Creighton, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.8 °C (low) to 18.8 °C (high). Annual precipitation averages 1094 Millimeters. Creighton is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.7 °C | 4.4 °C | 41.91 mm |
| February | -4.6 °C | 7.2 °C | 49.28 mm |
| March | 0.6 °C | 13.1 °C | 69.34 mm |
| April | 6 °C | 18.9 °C | 114.55 mm |
| May | 12.3 °C | 24 °C | 143.76 mm |
| June | 17.7 °C | 28.9 °C | 135.89 mm |
| July | 19.9 °C | 31.6 °C | 120.14 mm |
| August | 18.6 °C | 31 °C | 102.62 mm |
| September | 13.7 °C | 26.7 °C | 110.74 mm |
| October | 6.9 °C | 20.4 °C | 81.28 mm |
| November | 0.9 °C | 12.9 °C | 70.61 mm |
| December | -4.1 °C | 6.7 °C | 53.85 mm |
| Annual | 6.8 °C | 18.8 °C | 1093.97 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |