Lake Annette, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.3 °F (low) to 65.6 °F (high). Annual precipitation averages 42.8 Inches. Lake Annette is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.7 °F | 39.9 °F | 1.39 in. |
| February | 23.7 °F | 44.3 °F | 1.83 in. |
| March | 33.4 °F | 55.2 °F | 2.7 in. |
| April | 43.4 °F | 65.7 °F | 4.32 in. |
| May | 54.1 °F | 74.8 °F | 5.82 in. |
| June | 63.6 °F | 83.7 °F | 5.65 in. |
| July | 67.9 °F | 88.6 °F | 4.52 in. |
| August | 65.4 °F | 87.7 °F | 4.29 in. |
| September | 57.0 °F | 80.3 °F | 4.32 in. |
| October | 44.7 °F | 68.1 °F | 3.61 in. |
| November | 34.1 °F | 55.0 °F | 2.46 in. |
| December | 24.2 °F | 43.5 °F | 1.87 in. |
| Annual | 44.3 °F | 65.6 °F | 42.78 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |