Rock, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.9 °C (low) to 20.3 °C (high). Annual precipitation averages 989.6 Millimeters. Rock 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 | -5.3 °C | 6.6 °C | 24.38 mm |
| February | -3.6 °C | 9.2 °C | 37.85 mm |
| March | 1.7 °C | 14.9 °C | 69.85 mm |
| April | 7 °C | 20.2 °C | 91.95 mm |
| May | 13.3 °C | 24.9 °C | 157.48 mm |
| June | 18.8 °C | 30.3 °C | 146.56 mm |
| July | 21.1 °C | 33.1 °C | 106.93 mm |
| August | 20.1 °C | 32.4 °C | 104.39 mm |
| September | 15.4 °C | 28.3 °C | 77.22 mm |
| October | 8.3 °C | 21.8 °C | 86.61 mm |
| November | 1.8 °C | 14.3 °C | 48.51 mm |
| December | -3.7 °C | 7.7 °C | 37.85 mm |
| Annual | 7.9 °C | 20.3 °C | 989.58 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |