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Weather & Climate
Winner, South Dakota, United States
Overview
Climate data and monthly weather averages for Winner.
Key Metrics
Annual Avg
10°C
Summer Avg
24°C
Winter Avg
-3.6°C
Record High
47.5°C
Record Low
-27.4°C
Annual Precipitation
538.6 mm
Avg Humidity
64%
Summer Humidity
57%
Winter Humidity
73%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.1° | -4.1° | -24.9° | 9.6 | 74% | 62 | 67.2 |
| Feb | 24° | -3.4° | -21.7° | 13.4 | 70% | 83 | 69.8 |
| Mar | 29.9° | 3° | -27.4° | 26.7 | 65% | 122 | 66.6 |
| Apr | 33.6° | 8.8° | -13.9° | 62.4 | 61% | 150 | 61.8 |
| May | 38° | 15.3° | -3.4° | 85.3 | 60% | 183 | 57.3 |
| Jun | 42.7° | 21.9° | 6.3° | 95.1 | 60% | 200 | 53.5 |
| Jul | 47.5° | 26.2° | 9.2° | 62.9 | 53% | 213 | 48 |
| Aug | 44.5° | 24° | 9.3° | 68.2 | 57% | 179 | 56.3 |
| Sep | 41.1° | 18.9° | 2.5° | 50.1 | 56% | 138 | 53.8 |
| Oct | 33.6° | 9.6° | -13.5° | 37.5 | 63% | 97 | 68.3 |
| Nov | 26.1° | 2.8° | -17.2° | 14.4 | 68% | 64 | 65.2 |
| Dec | 19.6° | -3.2° | -23.2° | 13 | 76% | 51 | 68.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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