Last updated: August 22, 2025
In December, the average temperature in Xihai, China hovers around -13°C (9°F). While you might experience minimum chills of -30°C (-22°F), the mercury can occasionally rise to a comfortable 4°C (39°F). Expect a light touch of moisture with about 5 mm (0.2 in) of precipitation spread over just one day. The air is fairly humid, sitting at an average humidity of 71%, adding a crispness to the cold winter atmosphere.
In December in Xihai, the average temperature is -13°C (9°F), with maximums reaching 4°C (39°F) and minimums dropping as low as -30°C (-22°F). It's essential to prepare for extremely cold conditions during this time, making warm clothing and gear a necessity for travelers.
In Xihai in December, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.
In Xihai in December, humidity is 71%. With an average temperature of -13°C (9°F), this humidity feels like a biting chill that wraps around you, making every step outside feel like trudging through a dense fog, where the cold air clings to your skin and saps your energy, making travel more challenging.
In Xihai in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Xihai for better planning.
UV Risk Categories
Weather in Xihai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Xihai, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -13°C (8°F) | 6 mm (0.2 inches) | 74% | moderate |
| February Weather | -10°C (14°F) | 7 mm (0.3 inches) | 80% | high |
| March Weather | -4°C (26°F) | 19 mm (0.7 inches) | 81% | very high |
| April Weather | 1°C (34°F) | 49 mm (1.9 inches) | 78% | extreme |
| May Weather | 5°C (41°F) | 64 mm (2.5 inches) | 71% | extreme |
| June Weather | 9°C (48°F) | 105 mm (4.1 inches) | 77% | extreme |
| July Weather | 11°C (52°F) | 115 mm (4.5 inches) | 77% | extreme |
| August Weather | 10°C (51°F) | 137 mm (5.4 inches) | 82% | extreme |
| September Weather | 7°C (44°F) | 93 mm (3.7 inches) | 82% | extreme |
| October Weather | 0°C (32°F) | 47 mm (1.8 inches) | 85% | very high |
| November Weather | -7°C (20°F) | 13 mm (0.5 inches) | 79% | high |
| December Weather | -13°C (9°F) | 5 mm (0.2 inches) | 71% | moderate |