Beaumont, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.2 °C (low) to 19.7 °C (high). Annual precipitation averages 1014.7 Millimeters. Beaumont is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.6 °C | 5.8 °C | 24.89 mm |
| February | -4.3 °C | 8.3 °C | 41.15 mm |
| March | 1 °C | 14.4 °C | 71.12 mm |
| April | 6.2 °C | 19.8 °C | 96.77 mm |
| May | 12.4 °C | 24.4 °C | 144.53 mm |
| June | 17.9 °C | 29.6 °C | 142.75 mm |
| July | 20.3 °C | 32.4 °C | 105.92 mm |
| August | 19.3 °C | 31.7 °C | 106.68 mm |
| September | 14.8 °C | 27.9 °C | 93.98 mm |
| October | 7.7 °C | 21.4 °C | 89.92 mm |
| November | 1 °C | 13.3 °C | 60.45 mm |
| December | -3.9 °C | 6.9 °C | 36.58 mm |
| Annual | 7.2 °C | 19.7 °C | 1014.74 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |