Girard, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.2 °C (low) to 19.8 °C (high). Annual precipitation averages 1167.9 Millimeters. Girard is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.8 °C | 6 °C | 39.37 mm |
| February | -2.7 °C | 8.8 °C | 47.75 mm |
| March | 2.1 °C | 14.4 °C | 81.03 mm |
| April | 7.4 °C | 19.7 °C | 122.94 mm |
| May | 13.3 °C | 24.5 °C | 172.21 mm |
| June | 18.6 °C | 29.6 °C | 151.38 mm |
| July | 21.1 °C | 32.2 °C | 107.95 mm |
| August | 19.8 °C | 31.9 °C | 101.09 mm |
| September | 15.1 °C | 27.6 °C | 118.87 mm |
| October | 8.4 °C | 21.2 °C | 95.76 mm |
| November | 2.3 °C | 13.9 °C | 73.15 mm |
| December | -2.7 °C | 7.9 °C | 56.39 mm |
| Annual | 8.2 °C | 19.8 °C | 1167.89 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |