Bayside, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.2 °F (low) to 56.8 °F (high). Annual precipitation averages 34.9 Inches. Bayside is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.0 °F | 30.3 °F | 1.71 in. |
| February | 18.6 °F | 33.3 °F | 1.57 in. |
| March | 27.1 °F | 43.0 °F | 2.01 in. |
| April | 36.7 °F | 54.3 °F | 3.93 in. |
| May | 46.9 °F | 66.3 °F | 3.94 in. |
| June | 57.2 °F | 76.2 °F | 4.36 in. |
| July | 63.5 °F | 81.4 °F | 3.64 in. |
| August | 63.0 °F | 80.2 °F | 3.61 in. |
| September | 55.4 °F | 73.3 °F | 3.21 in. |
| October | 43.9 °F | 60.4 °F | 2.86 in. |
| November | 32.3 °F | 47.2 °F | 2.13 in. |
| December | 22.2 °F | 35.4 °F | 1.97 in. |
| Annual | 40.2 °F | 56.8 °F | 34.94 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |