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Climate Data for Marinette 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 9. 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 3. First Fall Frost Zones.
- (The first frost occurs on or before September 22 in 10 percent of the years.)
- Median growing season: 151 days. Range: 128 to 167 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°) |
24.8 |
28.1 |
39.3 |
53.3 |
66.4 |
76.8 |
83.8 |
78.9 |
70.0 |
57.7 |
42.9 |
29.4 |
| Ave Daily Low (F°) |
6.1 |
8.0 |
19.7 |
32.2 |
43.4 |
53.2 |
59.0 |
56.6 |
49.2 |
38.4 |
26.3 |
13.2 |
| Growing Degree Days |
0 |
1 |
15 |
114 |
302 |
486 |
644 |
584 |
373 |
164 |
26 |
1 |
| Heating Degree Days |
1535 |
1313 |
1101 |
666 |
336 |
92 |
8 |
38 |
182 |
524 |
912 |
1352 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
23 |
92 |
191 |
125 |
20 |
0 |
0 |
0 |
| Ave Precipitation (") |
1.62 |
1.34 |
2.28 |
2.82 |
3.49 |
3.64 |
3.27 |
3.24 |
3.62 |
2.36 |
2.58 |
1.90 |
| Ave Snowfall (") |
14.5 |
10.8 |
9.6 |
2.5 |
0.1 |
0.0 |
0.0 |
0.0 |
0.0 |
0.1 |
2.7 |
14.7 |
Data from the weather station at Marinette, latitude 45°06' N, longitude 87°38' W, elevation 605 ft.
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