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Weather & Climate
Jackson County, South Dakota, United States
Overview
Climate data and monthly weather averages for Jackson County.
Key Metrics
Annual Avg
10.1°C
Summer Avg
23.9°C
Winter Avg
-2.6°C
Record High
45.2°C
Record Low
-30.2°C
Annual Precipitation
440.8 mm
Avg Humidity
58%
Summer Humidity
51%
Winter Humidity
68%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 18.8° | -2.9° | -23.6° | 9 | 69% | 62 | 65.5 |
| Feb | 23.2° | -2.5° | -22.2° | 11.8 | 65% | 82 | 71 |
| Mar | 28.4° | 3.5° | -24.2° | 25.1 | 60% | 122 | 65.2 |
| Apr | 32.5° | 8.7° | -12.1° | 53.1 | 57% | 152 | 63.1 |
| May | 37.5° | 14.7° | -4.5° | 76 | 56% | 188 | 57.7 |
| Jun | 42.4° | 21.6° | 4.8° | 71.4 | 54% | 207 | 58.4 |
| Jul | 45.2° | 26.1° | 9.9° | 51.8 | 48% | 218 | 52.8 |
| Aug | 42.9° | 24.1° | 7.9° | 49.9 | 50% | 186 | 60.6 |
| Sep | 40.8° | 18.6° | 0.3° | 35.4 | 51% | 143 | 54.1 |
| Oct | 33.7° | 9.4° | -14.6° | 32.9 | 58% | 99 | 65.6 |
| Nov | 27.4° | 3° | -16.3° | 13.2 | 62% | 66 | 65.2 |
| Dec | 19.4° | -2.5° | -30.2° | 11.2 | 70% | 52 | 63.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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