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Weather & Climate
Sparta, Wisconsin, United States
Overview
Climate data and monthly weather averages for Sparta.
Key Metrics
Annual Avg
7.1°C
Summer Avg
21°C
Winter Avg
-7.9°C
Record High
40°C
Record Low
-40.4°C
Annual Precipitation
944.4 mm
Avg Humidity
80%
Summer Humidity
74%
Winter Humidity
89%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 9.2° | -9.6° | -40.4° | 28.2 | 90% | 57 | 61.3 |
| Feb | 15.5° | -8.1° | -30.6° | 32.8 | 88% | 81 | 62.4 |
| Mar | 24.7° | -0.3° | -29.2° | 52.4 | 81% | 120 | 66.6 |
| Apr | 27.8° | 6.8° | -13.2° | 93 | 76% | 138 | 67.9 |
| May | 32.6° | 13.6° | -3.6° | 121.2 | 77% | 171 | 56.1 |
| Jun | 35.1° | 19.4° | 3.4° | 136.8 | 77% | 182 | 48.9 |
| Jul | 40° | 22.5° | 7.9° | 99.2 | 73% | 193 | 39.7 |
| Aug | 38° | 21.1° | 4.4° | 116.6 | 72% | 164 | 42.1 |
| Sep | 34.3° | 16.7° | -0.8° | 98.7 | 74% | 127 | 54.2 |
| Oct | 28.6° | 8.5° | -6° | 75 | 77% | 86 | 56 |
| Nov | 22.2° | 1.2° | -16.2° | 45.6 | 82% | 55 | 53.6 |
| Dec | 17.4° | -6.1° | -33.5° | 44.9 | 89% | 42 | 55.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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