Krum, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.1 °C (low) to 24.4 °C (high). Annual precipitation averages 978.9 Millimeters. Krum 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 | 0.4 °C | 12.9 °C | 55.12 mm |
| February | 2.4 °C | 15.1 °C | 68.83 mm |
| March | 6.9 °C | 19.4 °C | 89.41 mm |
| April | 11.2 °C | 23.9 °C | 89.66 mm |
| May | 16.7 °C | 28.1 °C | 123.19 mm |
| June | 21.4 °C | 32.8 °C | 99.06 mm |
| July | 23.4 °C | 35.3 °C | 59.18 mm |
| August | 23.1 °C | 35.5 °C | 60.96 mm |
| September | 18.9 °C | 31.4 °C | 79.25 mm |
| October | 12.3 °C | 25.6 °C | 110.74 mm |
| November | 6.4 °C | 18.9 °C | 71.88 mm |
| December | 1.6 °C | 13.8 °C | 71.63 mm |
| Annual | 12.1 °C | 24.4 °C | 978.91 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |