Midway, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.3 °C (low) to 25 °C (high). Annual precipitation averages 1519.7 Millimeters. Midway is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.5 °C | 14.6 °C | 150.11 mm |
| February | 4.1 °C | 16.8 °C | 138.43 mm |
| March | 7.9 °C | 21.2 °C | 141.99 mm |
| April | 11.8 °C | 24.9 °C | 135.64 mm |
| May | 16.7 °C | 28.8 °C | 117.09 mm |
| June | 20.4 °C | 32.2 °C | 123.7 mm |
| July | 21.8 °C | 33.6 °C | 121.41 mm |
| August | 21.4 °C | 33.9 °C | 91.95 mm |
| September | 18.3 °C | 31.4 °C | 107.19 mm |
| October | 12.3 °C | 26.3 °C | 113.54 mm |
| November | 6.7 °C | 20.1 °C | 131.06 mm |
| December | 3.6 °C | 15.6 °C | 147.57 mm |
| Annual | 12.3 °C | 25 °C | 1519.68 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |