Last updated: June 24, 2025
In Osage, United States, the average temperature in December hovers around -3°C (27°F), with extremes reaching as low as -22°C (-8°F) and soaring up to 20°C (68°F). During this month, expect 37 mm (1.4 in) of precipitation spread across about 5 days, coupled with a notable average humidity level of 83%.
In December in Osage, the average temperature is -3°C (27°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop as low as -22°C (-8°F). Be prepared for a wide temperature range when traveling during this time.
In Osage in December, the precipitation amount is 37 mm (1.4 in) spread over a duration of 5 days.
In Osage 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 Osage 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 Osage, you can check the information here.
UV Risk Categories
Weather in Osage varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Osage, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 37 mm (1.4 inches) | 82% | moderate |
| February Weather | -8°C (18°F) | 48 mm (1.9 inches) | 84% | moderate |
| March Weather | 1°C (35°F) | 70 mm (2.8 inches) | 80% | moderate |
| April Weather | 7°C (45°F) | 73 mm (2.9 inches) | 81% | very high |
| May Weather | 15°C (60°F) | 156 mm (6.1 inches) | 74% | very high |
| June Weather | 22°C (72°F) | 129 mm (5.1 inches) | 80% | extreme |
| July Weather | 23°C (74°F) | 89 mm (3.5 inches) | 80% | very high |
| August Weather | 21°C (70°F) | 115 mm (4.5 inches) | 77% | very high |
| September Weather | 18°C (65°F) | 107 mm (4.2 inches) | 75% | very high |
| October Weather | 10°C (50°F) | 121 mm (4.8 inches) | 80% | moderate |
| November Weather | 1°C (35°F) | 50 mm (2.0 inches) | 87% | moderate |
| December Weather | -3°C (27°F) | 37 mm (1.4 inches) | 83% | moderate |