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Climate Data for Racine 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 2. Last Spring Frost Zones.
- (The last frost occurs on or after May 11 in 10 percent of the years.)
- Median date of first frost in the fall: October 19. First Fall Frost Zones.
- (The first frost occurs on or before October 7 in 10 percent of the years.)
- Median growing season: 173 days. Range: 157 to 185 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°) |
27.5 |
31.2 |
41.0 |
52.5 |
64.0 |
75.2 |
79.7 |
78.4 |
71.2 |
59.6 |
46.0 |
32.8 |
| Ave Daily Low (F°) |
11.2 |
15.2 |
26.1 |
36.2 |
45.7 |
55.4 |
62.2 |
61.3 |
54.2 |
42.9 |
31.0 |
18.0 |
| Growing Degree Days |
1 |
2 |
28 |
96 |
240 |
464 |
637 |
585 |
406 |
178 |
39 |
5 |
| Heating Degree Days |
1414 |
1170 |
973 |
618 |
329 |
87 |
7 |
14 |
102 |
430 |
795 |
1228 |
| Cooling Degree Days |
0 |
0 |
0 |
0 |
16 |
96 |
193 |
166 |
33 |
5 |
0 |
0 |
| Ave Precipitation (") |
1.61 |
1.35 |
2.65 |
3.66 |
2.99 |
3.61 |
3.87 |
3.66 |
3.80 |
2.35 |
2.62 |
2.20 |
| Ave Snowfall (") |
12.8 |
9.5 |
7.2 |
1.6 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.3 |
1.6 |
9.7 |
Data from the weather station at Racine, latitude 42°42' N, longitude 87°46' W, elevation 595 ft.
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