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Weather & Climate
Selby, South Dakota, United States
Overview
Climate data and monthly weather averages for Selby.
Key Metrics
Annual Avg
7.7°C
Summer Avg
22.4°C
Winter Avg
-7.2°C
Record High
45.5°C
Record Low
-36.8°C
Annual Precipitation
510.2 mm
Avg Humidity
68%
Summer Humidity
58%
Winter Humidity
82%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 10.7° | -8.2° | -36.8° | 10.5 | 84% | 57 | 68.8 |
| Feb | 17.8° | -7.1° | -32.4° | 16.2 | 78% | 82 | 69.2 |
| Mar | 26.6° | 0.4° | -29.1° | 24.2 | 70% | 118 | 67.6 |
| Apr | 31.5° | 7.1° | -14.2° | 46.8 | 62% | 149 | 62.4 |
| May | 34.6° | 13.9° | -4.5° | 79.7 | 61% | 184 | 62.2 |
| Jun | 43.3° | 20.5° | 2.5° | 84.3 | 60% | 202 | 59.4 |
| Jul | 45.5° | 24.4° | 8.4° | 67 | 56% | 214 | 49.9 |
| Aug | 41.3° | 22.4° | 7.4° | 61.1 | 58% | 178 | 56.6 |
| Sep | 38° | 16.9° | 0.3° | 49.5 | 60% | 133 | 65.1 |
| Oct | 31.2° | 7.6° | -16.6° | 42.8 | 67% | 89 | 68.3 |
| Nov | 21.1° | 0.3° | -19.1° | 12 | 74% | 57 | 66.7 |
| Dec | 10.7° | -6.3° | -30.1° | 16.1 | 83% | 44 | 62.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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