Sterling, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.8 °F (low) to 67.2 °F (high). Annual precipitation averages 29.2 Inches. Sterling 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.6 °F | 42.6 °F | 0.75 in. |
| February | 24.4 °F | 46.4 °F | 1.04 in. |
| March | 34.1 °F | 57.0 °F | 1.96 in. |
| April | 43.2 °F | 66.2 °F | 2.42 in. |
| May | 54.1 °F | 75.9 °F | 4.71 in. |
| June | 64.4 °F | 86.7 °F | 4.09 in. |
| July | 68.6 °F | 90.9 °F | 3.81 in. |
| August | 66.6 °F | 89.1 °F | 3.68 in. |
| September | 58.2 °F | 81.9 °F | 2.12 in. |
| October | 45.2 °F | 69.6 °F | 2.39 in. |
| November | 33.1 °F | 56.0 °F | 1.16 in. |
| December | 24.0 °F | 44.0 °F | 1.02 in. |
| Annual | 44.8 °F | 67.2 °F | 29.15 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |