Last updated: August 22, 2025
In Huai'an, China, the average temperature for December hovers around 4°C (40°F). Expect chilly nights with minimum temperatures dipping to -11°C (12°F), while daytime highs can reach up to 17°C (64°F). Precipitation is relatively light, with an average of 28 mm (1.1 in) spread over 5 days. Overall, the air remains quite moist, boasting an average humidity of 75%.
In December in Huai'an, the average temperature is 4°C (40°F), with maximums reaching 17°C (64°F) and minimums dropping to as low as -11°C (12°F). Be prepared for a wide range of temperatures during your travels, as layering clothing will keep you comfortable throughout the day.
In Huai'an in December, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.
In Huai'an in December, humidity is 75%. With an average temperature of 4°C (40°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable, as the cold moisture seeps into your clothes and reduces your warmth, leaving you feeling more frigid than uplifting.
In Huai'an in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Huai'an, you can check the information here.
UV Risk Categories
Weather in Huai'an varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Huai'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 36 mm (1.4 inches) | 64% | moderate |
| February Weather | 5°C (41°F) | 27 mm (1.1 inches) | 71% | moderate |
| March Weather | 11°C (51°F) | 47 mm (1.9 inches) | 80% | high |
| April Weather | 16°C (60°F) | 40 mm (1.6 inches) | 83% | very high |
| May Weather | 21°C (71°F) | 95 mm (3.8 inches) | 80% | very high |
| June Weather | 25°C (78°F) | 123 mm (4.8 inches) | 81% | extreme |
| July Weather | 28°C (82°F) | 296 mm (11.7 inches) | 88% | very high |
| August Weather | 28°C (82°F) | 151 mm (5.9 inches) | 85% | very high |
| September Weather | 24°C (75°F) | 73 mm (2.9 inches) | 72% | very high |
| October Weather | 17°C (63°F) | 50 mm (2.0 inches) | 76% | high |
| November Weather | 12°C (53°F) | 30 mm (1.2 inches) | 84% | moderate |
| December Weather | 4°C (40°F) | 28 mm (1.1 inches) | 75% | moderate |