Bowlus, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.3 °F (low) to 53.1 °F (high). Annual precipitation averages 28.7 Inches. Bowlus is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.7 °F | 20.7 °F | 0.66 in. |
| February | 5.1 °F | 25.8 °F | 0.73 in. |
| March | 18.3 °F | 38.7 °F | 1.36 in. |
| April | 31.4 °F | 53.8 °F | 2.45 in. |
| May | 44.3 °F | 67.4 °F | 3.51 in. |
| June | 54.9 °F | 76.8 °F | 4.42 in. |
| July | 59.3 °F | 81.6 °F | 4.09 in. |
| August | 56.4 °F | 79.3 °F | 3.68 in. |
| September | 48.1 °F | 71.2 °F | 2.91 in. |
| October | 35.8 °F | 56.4 °F | 2.74 in. |
| November | 22.5 °F | 39.6 °F | 1.24 in. |
| December | 9.9 °F | 26.1 °F | 0.9 in. |
| Annual | 32.3 °F | 53.1 °F | 28.69 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |