Last updated: June 24, 2025
In December, the average temperature in Sioux Center, United States hovers around -3°C (27°F). Expect minimums to plummet to -24°C (-10°F), while the mercury can rise to a maximum of 18°C (65°F). This month also sees 39 mm (1.5 in) of precipitation spread over about 4 days, coupled with a relatively high average humidity of 83%.
In December in Sioux Center, the average temperature is -3°C (27°F), with maximums reaching up to 18°C (65°F) and minimums plummeting to as low as -24°C (-10°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and mild conditions.
In Sioux Center in December, the precipitation amount is 39 mm (1.5 in) spread over a period of 4 days.
In Sioux Center in December humidity is 83%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that wraps around you, making every breath feel heavy and the air almost damp with cold. Traveling in such conditions can be quite challenging, as the moisture in the air makes the cold penetrate deeper, making it essential to dress warmly and stay active to ward off the chill.
In Sioux Center in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Sioux Center, you can check the information here.
UV Risk Categories
Weather in Sioux Center varies notably across the year, with each month offering distinct climate conditions. This page compares December’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 |