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Climate Data for Chippewa 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 13. Last Spring Frost Zones.
- (The last frost occurs on or after May 28 in 10 percent of the years.)
- Median date of first frost in the fall: September 26. First Fall Frost Zones.
- (The first frost occurs on or before September 17 in 10 percent of the years.)
- Median growing season: 135 days. Range: 120 to 153 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°) |
21.9 |
28.4 |
40.8 |
57.9 |
70.9 |
78.7 |
83.8 |
80.9 |
71.4 |
59.3 |
41.6 |
26.0 |
| Ave Daily Low (F°) |
1.5 |
6.5 |
19.9 |
33.3 |
44.3 |
53.3 |
58.6 |
56.3 |
47.7 |
37.1 |
24.3 |
8.9 |
| Growing Degree Days |
0 |
1 |
22 |
143 |
335 |
481 |
626 |
560 |
348 |
161 |
22 |
1 |
| Heating Degree Days |
1652 |
1330 |
1073 |
582 |
268 |
77 |
19 |
36 |
175 |
521 |
960 |
1473 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
38 |
107 |
211 |
148 |
13 |
0 |
0 |
0 |
| Ave Precipitation (") |
0.94 |
0.70 |
1.79 |
2.67 |
3.62 |
4.47 |
3.70 |
4.97 |
4.09 |
2.44 |
1.70 |
1.17 |
| Ave Snowfall (") |
10.6 |
6.1 |
7.7 |
1.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
4.8 |
10.0 |
Data from the weather station at Bloomer, latitude 45°06' N, longitude 91°29' W, elevation 982 ft.
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