Upsala, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.5 °F (low) to 52.8 °F (high). Annual precipitation averages 28.7 Inches. Upsala 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.8 °F | 20.3 °F | 0.7 in. |
| February | 5.4 °F | 25.4 °F | 0.72 in. |
| March | 18.3 °F | 38.0 °F | 1.38 in. |
| April | 31.7 °F | 53.5 °F | 2.52 in. |
| May | 44.5 °F | 67.0 °F | 3.53 in. |
| June | 55.2 °F | 76.7 °F | 4.57 in. |
| July | 59.8 °F | 81.4 °F | 4.1 in. |
| August | 56.9 °F | 79.2 °F | 3.48 in. |
| September | 48.6 °F | 71.0 °F | 2.8 in. |
| October | 35.8 °F | 56.0 °F | 2.76 in. |
| November | 22.6 °F | 39.1 °F | 1.23 in. |
| December | 9.8 °F | 25.7 °F | 0.9 in. |
| Annual | 32.5 °F | 52.8 °F | 28.69 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |