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Climate Data for Sawyer 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: June 1. Last Spring Frost Zones.
- (The last frost occurs on or after June 17 in 10 percent of the years.)
- Median date of first frost in the fall: September 18. First Fall Frost Zones.
- (The first frost occurs on or before August 22 in 10 percent of the years.)
- Median growing season: 104 days. Range: 84 to 120 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°) |
18.1 |
24.1 |
36.2 |
51.7 |
65.1 |
73.3 |
78.2 |
75.0 |
65.3 |
54.7 |
38.1 |
23.0 |
| Ave Daily Low (F°) |
-5.1 |
-1.7 |
13.1 |
28.2 |
38.8 |
47.7 |
53.3 |
51.1 |
42.6 |
32.3 |
20.8 |
3.4 |
| Growing Degree Days |
0 |
1 |
11 |
88 |
248 |
386 |
511 |
442 |
245 |
110 |
15 |
0 |
| Heating Degree Days |
1814 |
1506 |
1249 |
750 |
417 |
160 |
62 |
114 |
330 |
663 |
1065 |
1603 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
14 |
28 |
87 |
52 |
0 |
0 |
0 |
0 |
| Ave Precipitation (") |
0.98 |
0.74 |
1.72 |
2.36 |
3.32 |
3.89 |
4.42 |
4.44 |
4.44 |
2.85 |
1.78 |
1.27 |
| Ave Snowfall (") |
15.6 |
9.3 |
10.0 |
3.1 |
0.3 |
0.0 |
0.0 |
0.0 |
0.0 |
0.8 |
6.6 |
14.0 |
Data from the weather station at Winter 5 NW, latitude 45°53' N, longitude 91°04' W, elevation 1310 ft.
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