Last updated: August 22, 2025
In December, the average temperature in Bayi, China hovers around -12°C (10°F). During this chilly month, temperatures can plummet to a frigid -31°C (-23°F), while occasionally reaching a maximum of 1°C (35°F). With 49 mm (1.9 in) of precipitation spread over 14 days, you can expect a fair share of wintery weather. The air is notably crisp, with an average humidity of 84%, adding to the seasonal chill.
In December in Bayi, the average temperature is -12°C (10°F). Maximums can reach 1°C (35°F), while minimums can drop as low as -31°C (-23°F). Travelers should prepare for extreme cold and dress in layers to ensure warmth and comfort during their visit.
In Bayi in December, the precipitation amount is 49 mm (1.9 in) over the course of 14 days.
In Bayi in December humidity is 84%. With an average temperature of -12°C (10°F), this humidity feels like a biting chill that seeps into your bones, making outdoor adventures uncomfortable and requiring careful planning for appropriate clothing and rapid indoor escapes.
In Bayi in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bayi.
UV Risk Categories
Weather in Bayi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bayi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -14°C (8°F) | 39 mm (1.5 inches) | 82% | very high |
| February Weather | -11°C (13°F) | 73 mm (2.9 inches) | 85% | extreme |
| March Weather | -7°C (20°F) | 101 mm (4.0 inches) | 70% | extreme |
| April Weather | -2°C (29°F) | 106 mm (4.2 inches) | 61% | extreme |
| May Weather | 2°C (37°F) | 173 mm (6.8 inches) | 86% | extreme |
| June Weather | 8°C (46°F) | 226 mm (8.9 inches) | 93% | extreme |
| July Weather | 10°C (50°F) | 301 mm (11.9 inches) | 94% | extreme |
| August Weather | 10°C (50°F) | 226 mm (8.9 inches) | 93% | extreme |
| September Weather | 8°C (47°F) | 221 mm (8.7 inches) | 94% | extreme |
| October Weather | 3°C (38°F) | 180 mm (7.1 inches) | 90% | extreme |
| November Weather | -7°C (20°F) | 76 mm (3.0 inches) | 85% | extreme |
| December Weather | -12°C (10°F) | 49 mm (1.9 inches) | 84% | very high |