Last updated: June 24, 2025
In March, the average temperature in Sioux Falls, United States hovers around 2°C (35°F). However, be prepared for a range of conditions, with minima dipping down to -27°C (-15°F) and maxima reaching 25°C (78°F). During this month, expect approximately 65 mm (2.6 in) of precipitation spread over 7 days, with an average humidity of 75%.
In March in Sioux Falls, the average temperature is 2°C (35°F), with maximums reaching up to 25°C (78°F) and minimums dropping as low as -27°C (-15°F). This range of temperatures suggests that travelers should be prepared for both chilly and occasionally warm days, so packing layers is essential for comfort.
In Sioux Falls in March, the total precipitation amount is 65 mm (2.6 in) over a span of 7 days.
In Sioux Falls in March humidity is 75%. With an average temperature of 2°C (35°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor exploration quite challenging and necessitating layers of warm clothing to stay comfortable during your travels.
In Sioux Falls in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sioux Falls.
UV Risk Categories
Weather in Sioux Falls varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Sioux Falls, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 21 mm (0.8 inches) | 80% | low |
| February Weather | -7°C (20°F) | 24 mm (0.9 inches) | 84% | moderate |
| March Weather | 2°C (35°F) | 65 mm (2.6 inches) | 75% | moderate |
| April Weather | 7°C (45°F) | 82 mm (3.2 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 128 mm (5.0 inches) | 74% | very high |
| June Weather | 23°C (73°F) | 85 mm (3.3 inches) | 81% | extreme |
| July Weather | 24°C (75°F) | 77 mm (3.0 inches) | 82% | very high |
| August Weather | 22°C (72°F) | 94 mm (3.7 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 107 mm (4.2 inches) | 75% | very high |
| October Weather | 9°C (48°F) | 79 mm (3.1 inches) | 77% | moderate |
| November Weather | 1°C (35°F) | 25 mm (1.0 inches) | 85% | moderate |
| December Weather | -3°C (26°F) | 39 mm (1.5 inches) | 83% | low |