Birch Tree, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.5 °F (low) to 68 °F (high). Annual precipitation averages 49.6 Inches. Birch Tree is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.3 °F | 44.0 °F | 3.23 in. |
| February | 26.5 °F | 49.3 °F | 3.28 in. |
| March | 34.0 °F | 59.0 °F | 4.49 in. |
| April | 43.8 °F | 69.3 °F | 5.52 in. |
| May | 53.6 °F | 76.7 °F | 5.98 in. |
| June | 62.0 °F | 84.4 °F | 3.95 in. |
| July | 65.9 °F | 88.9 °F | 4.0 in. |
| August | 64.3 °F | 87.9 °F | 3.67 in. |
| September | 56.0 °F | 81.3 °F | 4.0 in. |
| October | 44.0 °F | 70.7 °F | 3.57 in. |
| November | 34.6 °F | 57.7 °F | 4.69 in. |
| December | 26.3 °F | 46.9 °F | 3.19 in. |
| Annual | 44.5 °F | 68 °F | 49.57 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |