Last updated: June 24, 2025
In Sioux Center, United States, the average temperature in May hovers around 15°C (60°F). This month can see a range of temperatures, with a chilly minimum of 0°C (31°F) and a balmy maximum of 34°C (94°F). Frequent precipitation adds to the atmosphere, with 141 mm (5.6 in) expected over 15 days of the month, while the average humidity sits at a comfortable 74%.
In May in Sioux Center, the average temperature is 15°C (60°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 0°C (31°F). Be sure to pack both light clothing and warmer layers to prepare for the variable weather!
In Sioux Center in May, the total precipitation amount is 141 mm (5.6 in) over a period of 15 days.
In Sioux Center in May humidity is 74%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace that can make outdoor activities feel slightly stifling, so travelers should be prepared to hydrate frequently and take breaks in the shade.
In Sioux Center in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sioux Center.
UV Risk Categories
Weather in Sioux Center varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sioux Center, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 26 mm (1.0 inches) | 80% | low |
| February Weather | -6°C (21°F) | 30 mm (1.2 inches) | 84% | moderate |
| March Weather | 2°C (37°F) | 73 mm (2.9 inches) | 75% | moderate |
| April Weather | 8°C (46°F) | 93 mm (3.7 inches) | 79% | very high |
| May Weather | 15°C (60°F) | 141 mm (5.6 inches) | 74% | very high |
| June Weather | 23°C (73°F) | 106 mm (4.2 inches) | 81% | extreme |
| July Weather | 24°C (76°F) | 78 mm (3.1 inches) | 82% | very high |
| August Weather | 22°C (72°F) | 100 mm (3.9 inches) | 80% | very high |
| September Weather | 19°C (66°F) | 100 mm (3.9 inches) | 75% | very high |
| October Weather | 10°C (49°F) | 81 mm (3.2 inches) | 77% | moderate |
| November Weather | 2°C (36°F) | 27 mm (1.1 inches) | 85% | moderate |
| December Weather | -3°C (27°F) | 39 mm (1.5 inches) | 83% | moderate |