Last updated: June 24, 2025
The average temperature in Sibley, United States during December is a brisk -3°C (26°F). Expect chilly nights with minimums dropping to -24°C (-10°F), while daytime highs can reach a cozy 17°C (62°F). Rainfall is relatively light, with a total precipitation amount of 40 mm (1.6 in) spread over 4 days. With an average humidity of 83%, the atmosphere can feel quite crisp and refreshing.
In December in Sibley, the average temperature is -3°C (26°F). The maximum can reach 17°C (62°F), while the minimum can plummet to as low as -24°C (-10°F). Be prepared for a wide range of temperatures when traveling during this time.
In Sibley in December, the precipitation amount is 40 mm (1.6 in) spread over a duration of 4 days.
In Sibley in December, humidity is 83%. With an average temperature of -3°C (26°F), this humidity feels like a heavy blanket of cold air enveloping you, making it challenging to stay warm while traveling. The dampness seeps into your clothing, creating an uncomfortable chill that lingers even indoors, often requiring extra layers and careful planning for outdoor activities.
In Sibley 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 Sibley, you can check the information here.
UV Risk Categories
Weather in Sibley varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sibley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 27 mm (1.1 inches) | 80% | moderate |
| February Weather | -8°C (18°F) | 30 mm (1.2 inches) | 84% | moderate |
| March Weather | 1°C (35°F) | 66 mm (2.6 inches) | 75% | high |
| April Weather | 7°C (44°F) | 89 mm (3.5 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 126 mm (5.0 inches) | 74% | very high |
| June Weather | 22°C (72°F) | 119 mm (4.7 inches) | 81% | extreme |
| July Weather | 23°C (74°F) | 85 mm (3.4 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 106 mm (4.2 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 106 mm (4.2 inches) | 75% | very high |
| October Weather | 9°C (48°F) | 89 mm (3.5 inches) | 77% | moderate |
| November Weather | 1°C (34°F) | 28 mm (1.1 inches) | 85% | moderate |
| December Weather | -3°C (26°F) | 40 mm (1.6 inches) | 83% | moderate |