Olsburg, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.4 °C (low) to 18.1 °C (high). Annual precipitation averages 864.1 Millimeters. Olsburg is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.7 °C | 3.4 °C | 18.8 mm |
| February | -6.7 °C | 6.1 °C | 28.19 mm |
| March | -1 °C | 12.5 °C | 53.09 mm |
| April | 4.6 °C | 18.1 °C | 84.33 mm |
| May | 11.2 °C | 23.1 °C | 126.24 mm |
| June | 16.8 °C | 28.7 °C | 123.95 mm |
| July | 19.3 °C | 31.5 °C | 114.3 mm |
| August | 18.1 °C | 30.6 °C | 99.57 mm |
| September | 12.8 °C | 26.3 °C | 79.5 mm |
| October | 5.8 °C | 19.9 °C | 66.04 mm |
| November | -1.1 °C | 11.9 °C | 40.89 mm |
| December | -6.5 °C | 5.3 °C | 29.21 mm |
| Annual | 5.4 °C | 18.1 °C | 864.11 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |