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Weather & Climate
Fort Pierre, South Dakota, United States
Overview
Climate data and monthly weather averages for Fort Pierre.
Key Metrics
Annual Avg
9.4°C
Summer Avg
23.9°C
Winter Avg
-4.7°C
Record High
47.1°C
Record Low
-30.3°C
Annual Precipitation
486.6 mm
Avg Humidity
65%
Summer Humidity
56%
Winter Humidity
76%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14° | -5.4° | -30.3° | 9.3 | 78% | 59 | 69.9 |
| Feb | 20.8° | -4.5° | -24.4° | 15.7 | 73% | 80 | 71 |
| Mar | 28.3° | 2.3° | -29.6° | 23.6 | 66% | 121 | 66.7 |
| Apr | 32.6° | 8.5° | -10.7° | 51 | 61% | 149 | 62.2 |
| May | 37.3° | 15.1° | -2.9° | 81.5 | 60% | 185 | 61.2 |
| Jun | 44.4° | 21.7° | 6.3° | 81.9 | 59% | 203 | 58.3 |
| Jul | 47.1° | 26.1° | 9.3° | 58.3 | 53% | 214 | 51 |
| Aug | 43.2° | 24° | 9.2° | 55.2 | 55% | 179 | 59.7 |
| Sep | 41.3° | 18.4° | 2.2° | 42.9 | 57% | 136 | 62.3 |
| Oct | 33.8° | 9.1° | -18.4° | 40.3 | 64% | 93 | 69.8 |
| Nov | 23.5° | 1.9° | -17.2° | 12.6 | 70% | 61 | 69.1 |
| Dec | 16.5° | -4.3° | -27.4° | 14.3 | 78% | 47 | 68.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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