Bolivar, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.2 °F (low) to 67.1 °F (high). Annual precipitation averages 46.4 Inches. Bolivar 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.2 °F | 42.5 °F | 2.25 in. |
| February | 25.8 °F | 47.6 °F | 2.27 in. |
| March | 34.6 °F | 57.5 °F | 3.51 in. |
| April | 44.0 °F | 67.5 °F | 4.88 in. |
| May | 54.4 °F | 75.6 °F | 5.94 in. |
| June | 63.5 °F | 84.1 °F | 4.79 in. |
| July | 67.5 °F | 88.7 °F | 4.43 in. |
| August | 65.8 °F | 88.1 °F | 3.94 in. |
| September | 57.5 °F | 80.9 °F | 4.53 in. |
| October | 45.6 °F | 69.6 °F | 3.71 in. |
| November | 35.3 °F | 56.7 °F | 3.48 in. |
| December | 26.4 °F | 46.0 °F | 2.65 in. |
| Annual | 45.2 °F | 67.1 °F | 46.38 in. |
| 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 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 |