Ogema, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.5 °F (low) to 50.3 °F (high). Annual precipitation averages 25.7 Inches. Ogema 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 | -1.3 °F | 16.5 °F | 0.76 in. |
| February | 1.2 °F | 21.3 °F | 0.67 in. |
| March | 16.1 °F | 34.5 °F | 1.01 in. |
| April | 30.5 °F | 51.3 °F | 1.61 in. |
| May | 43.0 °F | 65.4 °F | 3.2 in. |
| June | 54.2 °F | 74.8 °F | 4.46 in. |
| July | 58.2 °F | 79.1 °F | 3.71 in. |
| August | 55.7 °F | 77.9 °F | 2.91 in. |
| September | 47.0 °F | 69.5 °F | 2.94 in. |
| October | 34.6 °F | 53.7 °F | 2.55 in. |
| November | 20.3 °F | 36.4 °F | 1.0 in. |
| December | 6.5 °F | 22.8 °F | 0.89 in. |
| Annual | 30.5 °F | 50.3 °F | 25.71 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 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |