Kremlin, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 21.9 °C (high). Annual precipitation averages 850.6 Millimeters. Kremlin 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.6 °C | 8.6 °C | 26.16 mm |
| February | -2.8 °C | 10.8 °C | 33.27 mm |
| March | 2 °C | 16.2 °C | 61.21 mm |
| April | 6.8 °C | 21.4 °C | 85.85 mm |
| May | 13.1 °C | 26.4 °C | 114.55 mm |
| June | 18.8 °C | 32.1 °C | 118.11 mm |
| July | 21.2 °C | 34.9 °C | 89.66 mm |
| August | 20.2 °C | 34.2 °C | 93.22 mm |
| September | 15.7 °C | 29.9 °C | 67.06 mm |
| October | 8.6 °C | 22.9 °C | 81.53 mm |
| November | 1.9 °C | 15.7 °C | 43.43 mm |
| December | -3.3 °C | 9.2 °C | 36.58 mm |
| Annual | 8.1 °C | 21.9 °C | 850.63 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |