Dundee, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.2 °C (low) to 22.4 °C (high). Annual precipitation averages 1391.7 Millimeters. Dundee is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.2 °C | 9.8 °C | 117.6 mm |
| February | 1.8 °C | 12.3 °C | 124.46 mm |
| March | 6.1 °C | 17.3 °C | 139.7 mm |
| April | 10.9 °C | 22.7 °C | 147.83 mm |
| May | 16.4 °C | 27.4 °C | 134.11 mm |
| June | 20.7 °C | 31.6 °C | 111.76 mm |
| July | 22.1 °C | 32.7 °C | 103.12 mm |
| August | 21.2 °C | 32.7 °C | 78.23 mm |
| September | 17.3 °C | 29.9 °C | 75.95 mm |
| October | 10.8 °C | 24 °C | 99.82 mm |
| November | 5.1 °C | 16.8 °C | 114.3 mm |
| December | 1.7 °C | 11.4 °C | 144.78 mm |
| Annual | 11.2 °C | 22.4 °C | 1391.66 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |