Excelsior Estates, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6 °C (low) to 17.7 °C (high). Annual precipitation averages 1047.8 Millimeters. Excelsior Estates 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 | -8.1 °C | 2.6 °C | 31.5 mm |
| February | -5.8 °C | 5.6 °C | 42.42 mm |
| March | -0.2 °C | 12.2 °C | 64.26 mm |
| April | 5.3 °C | 17.9 °C | 99.82 mm |
| May | 11.6 °C | 23.1 °C | 144.53 mm |
| June | 17 °C | 28.4 °C | 131.57 mm |
| July | 19.4 °C | 30.8 °C | 125.48 mm |
| August | 18.2 °C | 30.1 °C | 110.49 mm |
| September | 13.2 °C | 25.9 °C | 113.28 mm |
| October | 6.6 °C | 19.3 °C | 86.61 mm |
| November | 0.2 °C | 11.6 °C | 54.36 mm |
| December | -5.2 °C | 4.9 °C | 43.43 mm |
| Annual | 6 °C | 17.7 °C | 1047.75 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |