December weather forecast
Nanjing, China

Completing the annual weather cycle, December unveils the onset of winter in its full stride. Nanjing witnesses a significant decrease in temperatures, with averages falling to a chilly 10°C (50°F) high. Winter outfits become a necessity, and locals can be seen enjoying numerous winter activities around the city. Snow makes an appearance, adding white accents to the cityscape. Despite the chill, December's holiday spirit makes it a lively and festive month.

Temperature

The shift from November to December in Nanjing involves a decrease in the average high-temperature, from a refreshing 16°C (60.8°F) to a cool 10°C (50°F). An average temperature of 0°C (32°F) marks the nights in December.

Rainfall

The month with the least rainfall is December, when the rain falls for 8 days and typically collects 27mm (1.06") of precipitation.

Daylight

The month with the shortest days in Nanjing is December, with an average of 10h and 6min of daylight.
On the first day of December in Nanjing, sunrise is at 06:47 and sunset at 17:00. On the last day of the month, sunrise is at 07:05 and sunset at 17:10 CST.

Sunshine

January through March, November and December, with an average of 5h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Take precautions - Protection against sun damage is advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.