Weather in Nanjing in December 2025
Average weather
Average temperature in Nanjing in December
Going from a maximum of +73°F during the day to a minimum of +18°F during the night, the temperature in December averages around +48°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +48°F to +48°F.
Is Nanjing warm or cold in December?
Nanjing is typically chill in December.
Maximum temperatures go down compared to the previous month from +61°F to +48°F. The minimum temperature also goes down from +46°F to +34°F.
Pack a jumper and a jacket as there will be cooler temperatures.
December is one of the coolest months in Nanjing, here is the comparison with other months:
Climate in Nanjing in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +61°F | +48°F | +45°F | ||||
| Min. temperature | ||||||
| +14°F | +14°F | +12°F | ||||
| Max. temperature | ||||||
| +88°F | +75°F | +68°F | ||||
| Rainfall | ||||||
| 59 mm | 29 mm | 38 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 75% | 73% | 76% | ||||
| Air pressure | ||||||
| 1023 HPa | 1026 HPa | 1026 HPa | ||||
| Sunny days | ||||||
| 10 | 11 | 8 | ||||
| Cloudy days | ||||||
| 11 | 12 | 13 | ||||
| Rainy days | ||||||
| 9 | 6 | 7 | ||||
| Snowy days | ||||||
| 0 | 1 | 3 | ||||
December often has better weather than November. It’s getting colder in December. From +61°F in the day, the average maximum temperature lowers to +48°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 59 mm to 29 mm. It feels drier, as humidity decreases from 75% to 73%. The average wind speed doesn’t change much during December, staying around 2 m/s. The good news is there are likely to be more sunny days in December, from 10 to 11.
Next month (January) brings a further decline in the weather.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Nanjing is gradually increasing during December, going from 1 m/s to 2 m/s over the course of the month.
Rain
Snow
December is one of the snowiest months in Nanjing.
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Nanjing?
Climate Change Over the Years
The climate in Nanjing in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+65°F) and the highest in 2019 (+74°F). The driest year was 2019 with only 819 mm of rainfall, and the wettest year was 2020 with 4430 mm.
FAQ
Is December a good time to visit Nanjing?
Can you sunbathe in Nanjing in December?
Is Nanjing rainy in December?
Is it sunny in Nanjing in December?
Other cities in China
Monthly weather in Nanjing
Source of the data
For this page, we’ve looked at the typical weather in Nanjing, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
