Seasonal Weather Patterns in Sioux Falls, SD
Temperature
Average Daily Temperature (°F)
| Sioux Falls, SD | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 19 | 43 | -24 |
| July | 74 | 79 | -5 |
Average Monthly Number of Hot and Freezing Days
| Sioux Falls, SD | U.S. Avg. | Difference | |
|---|---|---|---|
| Summer: Hot Days | 3 | 11 | -8 |
| Winter: Freezing Days | 27 | 12 | +15 |
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Sunshine
Average Annual Number of Clear and Cloudy Days
| Sioux Falls, SD | U.S. Avg. | Difference | |
|---|---|---|---|
| Clear Days | 189 | 217 | -28 |
| Cloudy Days | 176 | 148 | +28 |
Average Daylight Hours per Day
| Sioux Falls, SD | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 9 | 10 | -1 |
| July | 16 | 15 | +1 |
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Precipitation
Average Annual Number of Rainy and Snow Days
| Sioux Falls, SD | U.S. Avg. | Difference | |
|---|---|---|---|
| Rainy Days | 95 | 82 | +13 |
| Snow Days | 20 | 7 | +13 |
Average Monthly Humidity (%) in Sioux Falls, SD
| Sioux Falls, SD | U.S. Avg. | Difference | |
|---|---|---|---|
| January | 80 | 68 | +12% |
| July | 72 | 61 | +11% |
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