Carlos, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.2 °F (low) to 51.6 °F (high). Annual precipitation averages 26.5 Inches. Carlos is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.9 °F | 18.9 °F | 0.73 in. |
| February | 4.4 °F | 23.9 °F | 0.59 in. |
| March | 17.2 °F | 36.4 °F | 1.14 in. |
| April | 31.4 °F | 52.4 °F | 2.02 in. |
| May | 44.8 °F | 66.0 °F | 3.22 in. |
| June | 55.5 °F | 75.5 °F | 4.32 in. |
| July | 60.1 °F | 80.1 °F | 4.11 in. |
| August | 57.3 °F | 78.3 °F | 3.32 in. |
| September | 48.7 °F | 70.2 °F | 2.61 in. |
| October | 35.5 °F | 55.0 °F | 2.59 in. |
| November | 22.1 °F | 38.1 °F | 1.01 in. |
| December | 8.9 °F | 24.7 °F | 0.8 in. |
| Annual | 32.2 °F | 51.6 °F | 26.46 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |