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Climate Data for Kenosha County, Wisconsin
Climate Normals and Growing Season Summary

Chart courtesy of the Midwestern Regional Climate Center.
Growing Season Summary:
- Median date of last frost in the spring: April 30. Last Spring Frost Zones.
- (The last frost occurs on or after May 11 in 10 percent of the years.)
- Median date of first frost in the fall: October 16. First Fall Frost Zones.
- (The first frost occurs on or before September 30 in 10 percent of the years.)
- Median growing season: 172 days. Range: 150 to 193 days.
- For perennials, landscape plantings and fruit trees, see our Map of USDA Plant Hardiness Zones for Wisconsin.
| Climate Normals |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sept |
Oct |
Nov |
Dec |
| Ave Daily High (F°) |
28.2 |
32.2 |
41.7 |
52.1 |
62.6 |
73.4 |
78.7 |
78.0 |
70.8 |
59.8 |
46.8 |
33.4 |
| Ave Daily Low (F°) |
11.7 |
16.2 |
26.2 |
35.5 |
44.6 |
53.9 |
60.6 |
60.0 |
52.9 |
41.9 |
30.9 |
17.9 |
| Growing Degree Days |
2 |
3 |
28 |
51 |
210 |
404 |
589 |
583 |
382 |
172 |
38 |
5 |
| Heating Degree Days |
1395 |
1142 |
961 |
633 |
360 |
105 |
21 |
27 |
113 |
437 |
783 |
1218 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
7 |
66 |
166 |
151 |
20 |
0 |
0 |
0 |
| Ave Precipitation (") |
1.34 |
1.03 |
2.19 |
3.43 |
3.02 |
3.44 |
4.00 |
3.85 |
3.89 |
2.52 |
2.49 |
2.01 |
| Ave Snowfall (") |
12.0 |
9.7 |
6.6 |
1.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
1.3 |
8.4 |
Data from the weather station at Kenosha, latitude 42°33' N, longitude 87°48' W, elevation 600 ft.
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