Bern, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.8 °F (low) to 63.7 °F (high). Annual precipitation averages 34 Inches. Bern 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.9 °F | 35.7 °F | 0.75 in. |
| February | 19.8 °F | 41.2 °F | 1.06 in. |
| March | 30.1 °F | 53.3 °F | 2.12 in. |
| April | 40.5 °F | 64.3 °F | 3.31 in. |
| May | 52.5 °F | 74.1 °F | 4.87 in. |
| June | 62.7 °F | 83.6 °F | 4.58 in. |
| July | 66.8 °F | 87.9 °F | 4.44 in. |
| August | 64.3 °F | 86.4 °F | 3.76 in. |
| September | 55.0 °F | 79.3 °F | 3.42 in. |
| October | 42.7 °F | 67.2 °F | 2.66 in. |
| November | 30.5 °F | 51.9 °F | 1.82 in. |
| December | 21.1 °F | 40.0 °F | 1.17 in. |
| Annual | 41.8 °F | 63.7 °F | 33.96 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |