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Climate Data for Juneau 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 15. Last Spring Frost Zones.
- (The last frost occurs on or after May 31 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 12 in 10 percent of the years.)
- Median growing season: 138 days. Range: 112 to 158 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°) |
24.5 |
30.1 |
41.9 |
57.5 |
69.6 |
78.7 |
83.3 |
79.8 |
70.9 |
60.5 |
44.2 |
29.4 |
| Ave Daily Low (F°) |
2.3 |
5.8 |
19.1 |
32.8 |
43.3 |
52.8 |
57.6 |
54.9 |
45.9 |
35.5 |
23.5 |
9.8 |
| Growing Degree Days |
1 |
2 |
34 |
161 |
351 |
508 |
633 |
567 |
367 |
193 |
39 |
3 |
| Heating Degree Days |
1600 |
1316 |
1070 |
594 |
290 |
78 |
12 |
45 |
213 |
527 |
933 |
1407 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
27 |
99 |
182 |
119 |
15 |
0 |
0 |
0 |
| Ave Precipitation (") |
0.98 |
1.01 |
2.19 |
3.15 |
3.53 |
3.96 |
3.69 |
4.12 |
4.38 |
2.43 |
2.21 |
1.48 |
| Ave Snowfall (") |
11.8 |
9.8 |
9.5 |
2.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
4.2 |
12.8 |
Data from the weather station at Mauston 1 SE, latitude 43°47' N, longitude 90°04' W, elevation 865 ft.
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