Moweaqua, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.1 °C (low) to 17.6 °C (high). Annual precipitation averages 998.7 Millimeters. Moweaqua is located in USDA Plant Hardiness Zone 6a. 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 | -7.1 °C | 2.1 °C | 57.15 mm |
| February | -5.3 °C | 4.8 °C | 50.29 mm |
| March | -0.2 °C | 11 °C | 70.36 mm |
| April | 5.6 °C | 18.2 °C | 110.24 mm |
| May | 11.8 °C | 23.9 °C | 117.86 mm |
| June | 16.8 °C | 28.6 °C | 120.9 mm |
| July | 18.3 °C | 30.2 °C | 90.68 mm |
| August | 17.3 °C | 29.4 °C | 79.76 mm |
| September | 12.7 °C | 26.7 °C | 80.77 mm |
| October | 6.4 °C | 19.9 °C | 79.5 mm |
| November | 0.6 °C | 11.3 °C | 82.8 mm |
| December | -4 °C | 4.7 °C | 58.42 mm |
| Annual | 6.1 °C | 17.6 °C | 998.73 mm |
| 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |