Foley, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.5 °F (low) to 53.2 °F (high). Annual precipitation averages 29.4 Inches. Foley is located in USDA Plant Hardiness Zone 4a. 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 | 2.0 °F | 20.9 °F | 0.67 in. |
| February | 5.5 °F | 26.3 °F | 0.74 in. |
| March | 18.5 °F | 38.9 °F | 1.4 in. |
| April | 31.6 °F | 53.8 °F | 2.61 in. |
| May | 44.5 °F | 67.4 °F | 3.89 in. |
| June | 54.8 °F | 76.7 °F | 4.28 in. |
| July | 59.3 °F | 81.1 °F | 3.98 in. |
| August | 56.6 °F | 79.1 °F | 3.9 in. |
| September | 48.5 °F | 71.3 °F | 2.9 in. |
| October | 36.0 °F | 56.6 °F | 2.71 in. |
| November | 22.7 °F | 39.7 °F | 1.37 in. |
| December | 10.0 °F | 26.2 °F | 0.95 in. |
| Annual | 32.5 °F | 53.2 °F | 29.4 in. |
| 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 4a : -30°F to -25°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 |