Last updated: August 22, 2025
In December, the average temperature in Hannan, China hovers around 7°C (45°F), with a chilly minimum of -4°C (26°F) and a warm maximum reaching 19°C (67°F). Expect about 30 mm (1.2 in) of precipitation spread over 7 days, contributing to an average humidity of 79%. Whether you're gearing up for a cool day or a drizzly one, be prepared for the diverse weather this month brings!
In December in Hannan, the average temperature is 7°C (45°F), with maximums reaching 19°C (67°F) and minimums dipping as low as -4°C (26°F). This range makes it essential for travelers to pack layers to stay comfortable throughout the day.
In Hannan in December, the total precipitation amount is 30 mm (1.2 in) over a span of 7 days.
In Hannan in December humidity is 79%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor explorations uncomfortable and requiring extra layers for warmth while you navigate through the misty air.
In Hannan 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 Hannan for better planning.
UV Risk Categories
Weather in Hannan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hannan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 53 mm (2.1 inches) | 71% | moderate |
| February Weather | 8°C (46°F) | 67 mm (2.7 inches) | 75% | high |
| March Weather | 13°C (56°F) | 126 mm (4.9 inches) | 84% | very high |
| April Weather | 18°C (65°F) | 148 mm (5.8 inches) | 85% | very high |
| May Weather | 23°C (73°F) | 203 mm (8.0 inches) | 82% | very high |
| June Weather | 26°C (80°F) | 230 mm (9.1 inches) | 83% | extreme |
| July Weather | 29°C (85°F) | 240 mm (9.4 inches) | 87% | extreme |
| August Weather | 30°C (86°F) | 142 mm (5.6 inches) | 83% | extreme |
| September Weather | 25°C (78°F) | 92 mm (3.6 inches) | 68% | very high |
| October Weather | 18°C (65°F) | 59 mm (2.3 inches) | 72% | very high |
| November Weather | 14°C (57°F) | 46 mm (1.8 inches) | 83% | high |
| December Weather | 7°C (45°F) | 30 mm (1.2 inches) | 79% | moderate |