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Weather & Climate
Saint Croix County, Wisconsin, United States
Overview
Climate data and monthly weather averages for Saint Croix County.
Key Metrics
Annual Avg
6.2°C
Summer Avg
20.5°C
Winter Avg
-9.4°C
Record High
40.7°C
Record Low
-38.8°C
Annual Precipitation
891 mm
Avg Humidity
80%
Summer Humidity
75%
Winter Humidity
90%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 7.3° | -11.1° | -38.8° | 21.1 | 91% | 54 | 56.2 |
| Feb | 13.8° | -9.5° | -32.7° | 29.7 | 89% | 81 | 59.2 |
| Mar | 25.1° | -1.3° | -32.1° | 46.8 | 82% | 120 | 63 |
| Apr | 28.4° | 6.3° | -15.2° | 84.6 | 75% | 141 | 61.5 |
| May | 33.3° | 13.1° | -4.3° | 111 | 75% | 168 | 50.2 |
| Jun | 34.8° | 19° | 3.8° | 132 | 77% | 181 | 49.5 |
| Jul | 40.7° | 22° | 7.3° | 99.8 | 74% | 195 | 41 |
| Aug | 37° | 20.4° | 5° | 113.8 | 74% | 162 | 41.6 |
| Sep | 34.6° | 16° | -1.5° | 96.3 | 75% | 119 | 49.2 |
| Oct | 28.7° | 7.4° | -13° | 78.4 | 78% | 80 | 56.6 |
| Nov | 22.7° | 0.1° | -23.1° | 37.5 | 82% | 49 | 56.6 |
| Dec | 15.6° | -7.5° | -35.6° | 40 | 90% | 38 | 66.3 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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