Last updated: August 23, 2025
In December, the average temperature in Yantongtun, China is a brisk -15°C (5°F). Prepare for potentially chilling lows of -29°C (-20°F), while you might experience a milder maximum of 7°C (44°F). With 4 mm (0.2 in) of precipitation spread over just 1 day, a hint of moisture lingers in the air. Expect an average humidity of 62%, adding to the cool ambiance of the season.
In December in Yantongtun, the average temperature is -15°C (5°F), with maximums reaching 7°C (44°F) and minimums dropping as low as -29°C (-20°F). Be sure to pack warm layers and prepare for extreme cold if you plan to visit during this time.
In Yantongtun in December, the precipitation amount is 4 mm (0.2 in) during 1 day.
In Yantongtun in December, humidity is 62%. With an average temperature of -15°C (5°F), this humidity feels like a biting chill settling into your bones, making travel uncomfortable and urging you to seek warmth at every opportunity.
In Yantongtun 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 Yantongtun.
UV Risk Categories
Weather in Yantongtun varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yantongtun, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -17°C (1°F) | 3 mm (0.1 inches) | 70% | low |
| February Weather | -13°C (9°F) | 4 mm (0.2 inches) | 60% | moderate |
| March Weather | -2°C (29°F) | 6 mm (0.2 inches) | 60% | moderate |
| April Weather | 7°C (45°F) | 24 mm (0.9 inches) | 57% | high |
| May Weather | 15°C (59°F) | 37 mm (1.4 inches) | 58% | high |
| June Weather | 20°C (69°F) | 90 mm (3.6 inches) | 76% | very high |
| July Weather | 25°C (77°F) | 133 mm (5.2 inches) | 84% | very high |
| August Weather | 22°C (71°F) | 142 mm (5.6 inches) | 85% | very high |
| September Weather | 16°C (61°F) | 93 mm (3.7 inches) | 82% | high |
| October Weather | 7°C (45°F) | 17 mm (0.7 inches) | 77% | moderate |
| November Weather | -4°C (25°F) | 11 mm (0.4 inches) | 61% | low |
| December Weather | -15°C (5°F) | 4 mm (0.2 inches) | 62% | low |