Becker, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.1 °C (low) to 12 °C (high). Annual precipitation averages 771.4 Millimeters. Becker 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.7 °C | -5.8 °C | 19.05 mm |
| February | -13.9 °C | -3.1 °C | 20.57 mm |
| March | -6.8 °C | 4.1 °C | 42.16 mm |
| April | 0.6 °C | 12.4 °C | 67.06 mm |
| May | 7.8 °C | 19.8 °C | 104.39 mm |
| June | 13.7 °C | 25.1 °C | 106.93 mm |
| July | 15.9 °C | 27.3 °C | 95.76 mm |
| August | 14.4 °C | 26.1 °C | 103.12 mm |
| September | 9.8 °C | 22 °C | 81.28 mm |
| October | 2.7 °C | 13.9 °C | 67.82 mm |
| November | -4.3 °C | 4.8 °C | 36.07 mm |
| December | -11.5 °C | -2.9 °C | 27.18 mm |
| Annual | 1.1 °C | 12 °C | 771.39 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |