Jonesburg, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44 °F (low) to 64.9 °F (high). Annual precipitation averages 43 Inches. Jonesburg 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 | 20.0 °F | 38.1 °F | 2.36 in. |
| February | 23.8 °F | 43.3 °F | 2.33 in. |
| March | 32.5 °F | 53.9 °F | 3.08 in. |
| April | 43.3 °F | 66.9 °F | 4.65 in. |
| May | 53.5 °F | 75.5 °F | 5.09 in. |
| June | 62.9 °F | 83.4 °F | 4.63 in. |
| July | 66.5 °F | 87.4 °F | 4.26 in. |
| August | 64.8 °F | 86.6 °F | 3.71 in. |
| September | 56.4 °F | 79.6 °F | 3.67 in. |
| October | 45.1 °F | 68.0 °F | 3.42 in. |
| November | 34.0 °F | 54.0 °F | 3.33 in. |
| December | 25.1 °F | 42.2 °F | 2.51 in. |
| Annual | 44 °F | 64.9 °F | 43.04 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 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 |