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Climate Data for Manitowoc 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: May 9. Last Spring Frost Zones.
- (The last frost occurs on or after May 25 in 10 percent of the years.)
- Median date of first frost in the fall: October 9. First Fall Frost Zones.
- (The first frost occurs on or before September 27 in 10 percent of the years.)
- Median growing season: 155 days. Range: 132 to 182 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°) |
26.2 |
29.8 |
39.5 |
52.4 |
64.9 |
74.9 |
80.1 |
78.1 |
70.1 |
58.0 |
44.3 |
31.1 |
| Ave Daily Low (F°) |
9.7 |
13.3 |
23.7 |
34.0 |
43.4 |
52.6 |
59.6 |
58.4 |
51.1 |
40.9 |
29.6 |
16.0 |
| Growing Degree Days |
0 |
0 |
11 |
76 |
236 |
426 |
598 |
555 |
353 |
143 |
24 |
3 |
| Heating Degree Days |
1460 |
1215 |
1035 |
654 |
348 |
103 |
12 |
23 |
143 |
481 |
840 |
1283 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
10 |
67 |
161 |
125 |
11 |
0 |
0 |
0 |
| Ave Precipitation (") |
1.25 |
1.19 |
1.99 |
2.65 |
2.82 |
3.13 |
3.01 |
3.30 |
3.37 |
2.27 |
2.32 |
1.81 |
| Ave Snowfall (") |
8.0 |
6.7 |
7.1 |
0.8 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
1.0 |
7.7 |
Data from the weather station at Manitowoc, latitude 44°06' N, longitude 87°41' W, elevation 660 ft.
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