Ogema, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30 °F (low) to 51.1 °F (high). Annual precipitation averages 32.1 Inches. Ogema is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.1 °F | 20.8 °F | 1.07 in. |
| February | 3.2 °F | 25.6 °F | 0.99 in. |
| March | 15.1 °F | 37.4 °F | 1.53 in. |
| April | 28.6 °F | 51.1 °F | 2.72 in. |
| May | 41.4 °F | 64.8 °F | 3.74 in. |
| June | 51.4 °F | 73.7 °F | 4.36 in. |
| July | 55.3 °F | 77.6 °F | 3.9 in. |
| August | 53.3 °F | 75.8 °F | 3.82 in. |
| September | 45.5 °F | 67.9 °F | 3.69 in. |
| October | 33.5 °F | 54.0 °F | 3.08 in. |
| November | 22.3 °F | 38.4 °F | 1.79 in. |
| December | 9.3 °F | 26.0 °F | 1.37 in. |
| Annual | 30 °F | 51.1 °F | 32.06 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| 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 |