Lake City, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.1 °F (low) to 56 °F (high). Annual precipitation averages 34.9 Inches. Lake City 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 | 6.9 °F | 24.6 °F | 0.93 in. |
| February | 10.3 °F | 29.5 °F | 1.12 in. |
| March | 22.8 °F | 42.0 °F | 1.75 in. |
| April | 35.3 °F | 56.7 °F | 3.09 in. |
| May | 47.5 °F | 69.4 °F | 4.67 in. |
| June | 57.8 °F | 79.0 °F | 5.13 in. |
| July | 61.9 °F | 83.1 °F | 4.24 in. |
| August | 59.6 °F | 80.9 °F | 4.32 in. |
| September | 51.5 °F | 73.5 °F | 4.01 in. |
| October | 38.8 °F | 59.5 °F | 2.66 in. |
| November | 26.5 °F | 43.2 °F | 1.66 in. |
| December | 14.5 °F | 30.0 °F | 1.34 in. |
| Annual | 36.1 °F | 56 °F | 34.92 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |