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Climate Data for Clark 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 19. Last Spring Frost Zones.
- (The last frost occurs on or after June 3 in 10 percent of the years.)
- Median date of first frost in the fall: September 23. First Fall Frost Zones.
- (The first frost occurs on or before September 12 in 10 percent of the years.)
- Median growing season: 125 days. Range: 108 to 150 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°) |
22.8 |
28.8 |
40.4 |
56.7 |
70.2 |
77.9 |
82.5 |
79.9 |
70.6 |
58.9 |
41.6 |
26.9 |
| Ave Daily Low (F°) |
1.9 |
7.1 |
19.7 |
32.8 |
43.5 |
51.6 |
56.6 |
54.7 |
46.8 |
36.4 |
24.1 |
8.8 |
| Growing Degree Days |
0 |
1 |
23 |
132 |
325 |
470 |
596 |
542 |
337 |
159 |
24 |
1 |
| Heating Degree Days |
1634 |
1319 |
1082 |
606 |
285 |
81 |
15 |
37 |
195 |
536 |
963 |
1460 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
31 |
75 |
158 |
108 |
6 |
0 |
0 |
0 |
| Ave Precipitation (") |
0.75 |
0.78 |
1.77 |
2.71 |
3.26 |
3.89 |
4.27 |
4.19 |
4.18 |
2.26 |
1.69 |
1.12 |
| Ave Snowfall (") |
7.9 |
7.7 |
8.4 |
2.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.2 |
3.7 |
10.4 |
Data from the weather station at Neillsville 3 SW, latitude 44°32' N, longitude 90°38' W, elevation 1045 ft.
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