Boyd, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 34.1 °F (low) to 55 °F (high). Annual precipitation averages 26.5 Inches. Boyd 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 | 4.1 °F | 22.7 °F | 0.69 in. |
| February | 7.8 °F | 27.3 °F | 0.71 in. |
| March | 20.5 °F | 39.4 °F | 1.36 in. |
| April | 33.3 °F | 55.4 °F | 2.44 in. |
| May | 46.3 °F | 68.9 °F | 3.27 in. |
| June | 57.4 °F | 78.8 °F | 4.05 in. |
| July | 60.9 °F | 82.8 °F | 3.43 in. |
| August | 58.0 °F | 80.5 °F | 3.51 in. |
| September | 49.4 °F | 73.9 °F | 2.74 in. |
| October | 36.4 °F | 59.5 °F | 2.29 in. |
| November | 23.4 °F | 42.3 °F | 1.2 in. |
| December | 11.1 °F | 28.0 °F | 0.81 in. |
| Annual | 34.1 °F | 55 °F | 26.5 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 4b : -25°F to -20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |