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Climate Data for St Croix 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 8. Last Spring Frost Zones.
- (The last frost occurs on or after May 22 in 10 percent of the years.)
- Median date of first frost in the fall: October 2. First Fall Frost Zones.
- (The first frost occurs on or before September 21 in 10 percent of the years.)
- Median growing season: 149 days. Range: 124 to 164 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°) |
21.8 |
27.8 |
40.4 |
57.8 |
70.6 |
79.2 |
83.6 |
80.5 |
70.7 |
59.5 |
41.6 |
26.2 |
| Ave Daily Low (F°) |
2.4 |
7.7 |
21.5 |
34.7 |
46.4 |
55.6 |
60.8 |
58.4 |
49.6 |
39.0 |
56.4 |
10.0 |
| Growing Degree Days |
0 |
1 |
25 |
150 |
353 |
531 |
669 |
599 |
363 |
174 |
25 |
1 |
| Heating Degree Days |
1640 |
1322 |
1054 |
561 |
245 |
51 |
10 |
18 |
163 |
487 |
945 |
1454 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
43 |
123 |
233 |
158 |
19 |
0 |
0 |
0 |
| Ave Precipitation (") |
0.82 |
0.71 |
1.58 |
2.62 |
3.73 |
4.36 |
3.93 |
4.12 |
3.55 |
2.36 |
1.42 |
1.02 |
| Ave Snowfall (") |
10.7 |
7.5 |
10.4 |
2.9 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
6.1 |
10.0 |
Data from the weather station at River Falls (Pierce County), latitude 44°52' N, longitude 92°37' W, elevation 900 ft.
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