Last updated: August 22, 2025
In December, the average temperature in Tianyi, China hovers around -8°C (19°F), with extremes ranging from a frigid -22°C (-8°F) to a mild 9°C (49°F). Expect minimal precipitation, with just 1 mm (0.1 in) over the course of 0 days. The atmosphere carries a moderate average humidity of 52%, making it a characteristic winter month in this region.
In December in Tianyi, the average temperature is -8°C (19°F). The maximum can reach 9°C (49°F), while the minimum can drop as low as -22°C (-8°F). Travelers should be prepared for cold weather conditions and dress warmly for outdoor activities.
In Tianyi in December, the precipitation amount is 1 mm (0.1 in) during 0 days, indicating a very dry period.
In Tianyi in December, humidity is 52%. With an average temperature of -8°C (19°F), this humidity feels like a crisp chill in the air, making outdoor travel invigorating yet biting, as the moisture clings to the skin and creates a sharp contrast to the cold, demanding warm layers and careful planning for excursions.
In Tianyi in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Tianyi, you can visit Hourly UV Index in Tianyi.
UV Risk Categories
Weather in Tianyi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tianyi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 2 mm (0.1 inches) | 55% | low |
| February Weather | -5°C (22°F) | 4 mm (0.2 inches) | 47% | moderate |
| March Weather | 3°C (38°F) | 13 mm (0.5 inches) | 50% | high |
| April Weather | 11°C (52°F) | 20 mm (0.8 inches) | 56% | very high |
| May Weather | 18°C (65°F) | 29 mm (1.1 inches) | 61% | very high |
| June Weather | 22°C (73°F) | 47 mm (1.8 inches) | 69% | very high |
| July Weather | 25°C (77°F) | 112 mm (4.4 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 114 mm (4.5 inches) | 84% | very high |
| September Weather | 18°C (64°F) | 56 mm (2.2 inches) | 75% | high |
| October Weather | 9°C (48°F) | 15 mm (0.6 inches) | 76% | high |
| November Weather | 0°C (33°F) | 15 mm (0.6 inches) | 61% | moderate |
| December Weather | -8°C (19°F) | 1 mm (0.1 inches) | 52% | low |