Last updated: August 22, 2025
In December, the average temperature in Chelu, China dips to a chilly -20°C (-4°F). Expect minimums plummeting to -38°C (-36°F) and maximums reaching up to 3°C (37°F). With an average humidity of 89%, the atmosphere can feel even more frigid. Precipitation is light, totaling only 7 mm (0.3 in) over 2 days—a reminder of winter's stark beauty.
In December in Chelu, the average temperature is -20°C (-4°F). The maximum can reach 3°C (37°F) and the minimum can drop as low as -38°C (-36°F). Travelers should be prepared for extreme cold conditions, ensuring they have appropriate winter gear and planning activities accordingly.
In Chelu in December, the precipitation amount is 7 mm (0.3 in) over a period of 2 days.
In Chelu in December humidity is 89%. With an average temperature of -20°C (-4°F), this humidity feels like a biting chill that seeps into your bones, making travel outdoors feel unusually harsh and uncomfortable, as the frozen air intensifies every breath.
In Chelu in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Chelu.
UV Risk Categories
Weather in Chelu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chelu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -22°C (-7°F) | 6 mm (0.2 inches) | 93% | low |
| February Weather | -17°C (1°F) | 6 mm (0.2 inches) | 92% | low |
| March Weather | -5°C (24°F) | 16 mm (0.6 inches) | 86% | moderate |
| April Weather | 5°C (41°F) | 34 mm (1.3 inches) | 74% | moderate |
| May Weather | 13°C (55°F) | 70 mm (2.7 inches) | 74% | high |
| June Weather | 18°C (65°F) | 127 mm (5.0 inches) | 82% | very high |
| July Weather | 23°C (73°F) | 135 mm (5.3 inches) | 88% | very high |
| August Weather | 20°C (68°F) | 157 mm (6.2 inches) | 89% | high |
| September Weather | 14°C (57°F) | 88 mm (3.5 inches) | 88% | high |
| October Weather | 4°C (40°F) | 35 mm (1.4 inches) | 85% | moderate |
| November Weather | -8°C (17°F) | 26 mm (1.0 inches) | 76% | low |
| December Weather | -20°C (-4°F) | 7 mm (0.3 inches) | 89% | low |