Weather in Nanjing in January 2026
- January is usually the coldest month of the year in Nanjing;
Average weather
Average temperature in Nanjing in January
The expected average maximum temperature in January is +10°C with a maximum of +20°C and a minimum of -8°C.
The average maximum temperature goes up 39% by the end of the month, compared with the beginning of the month, from +8°C to +19°C.
Is Nanjing warm or cold in January?
Nanjing is typically cool in January.
Maximum temperatures go down compared to the previous month from +9°C to +7°C. The minimum temperature also goes down from +1°C to -1°C.
Pack a sweater and a jacket as there will be cooler temperatures.
January is the coldest month in Nanjing, here is the comparison with other months:
Climate in Nanjing in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +9°C | +7°C | +9°C | ||||
| Min. temperature | ||||||
| -10°C | -11°C | -11°C | ||||
| Max. temperature | ||||||
| +24°C | +20°C | +28°C | ||||
| Rainfall | ||||||
| 29 mm | 38 mm | 47 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 73% | 76% | 74% | ||||
| Air pressure | ||||||
| 1026 HPa | 1026 HPa | 1024 HPa | ||||
| Sunny days | ||||||
| 11 | 8 | 5 | ||||
| Cloudy days | ||||||
| 12 | 13 | 13 | ||||
| Rainy days | ||||||
| 6 | 7 | 8 | ||||
| Snowy days | ||||||
| 1 | 3 | 3 | ||||
January typically has worse weather conditions compared to December. It’s getting colder in January. From +9°C in the day, the average maximum temperature lowers to +7°C. Prepare for more rain. Average rainfall goes from 29 mm to 38 mm. Humidity rises from 73% to 76%. The average wind speed doesn’t change much during January, staying around 2 m/s. The days becoming less sunny, going from 11 sunny days in December to 8 in January.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Nanjing is gradually increasing during January, going from 2 m/s to 2 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Nanjing.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Nanjing?
Climate Change over Years
The climate in Nanjing in January has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+19°C) and the highest in 2019 (+23°C). The driest year was 2019 with only 819 mm of rainfall, and the wettest year was 2020 with 4430 mm.
FAQ
Is January a good time to visit Nanjing?
Can you sunbathe in Nanjing in January?
Is Nanjing rainy in January?
Is it sunny in Nanjing in January?
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.
