Berger, 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 66.1 °F (high). Annual precipitation averages 44 Inches. Berger 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.3 °F | 40.0 °F | 2.39 in. |
| February | 24.7 °F | 45.3 °F | 2.33 in. |
| March | 33.4 °F | 55.7 °F | 3.24 in. |
| April | 43.7 °F | 67.5 °F | 4.68 in. |
| May | 54.2 °F | 75.9 °F | 5.31 in. |
| June | 63.2 °F | 84.1 °F | 4.54 in. |
| July | 67.5 °F | 88.2 °F | 4.09 in. |
| August | 65.0 °F | 87.1 °F | 4.1 in. |
| September | 56.6 °F | 80.6 °F | 3.92 in. |
| October | 44.5 °F | 69.0 °F | 3.38 in. |
| November | 34.1 °F | 55.9 °F | 3.38 in. |
| December | 25.5 °F | 44.3 °F | 2.64 in. |
| Annual | 44.5 °F | 66.1 °F | 44 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 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 |