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Nanjing in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Nanjing in October will be like? Take a look at our weather guide for Nanjing, based on historical data.
Check flight prices to Nanjing on Avionero:
October

Weather in Nanjing in October 2025

OK Weather
Mild
☁️
Cloudy
If you plan to visit Nanjing in October, the weather is typically alright, with an average high temperature of +72°F during the day and approximately 9 sunny days. Expect some rainy, though, as there are typically 11 rainy days in the month and around 99 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+72°F
Avg. max. temperature
+37°F
Min.
+102°F
Max.
99 mm
Total precipitation
76%
Avg. humidity
2 m/s
Avg. wind
9 ☀️
Sunny Days
11 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Nanjing has OK weather in October.

Average temperature in Nanjing in October

Here are the expected maximum, average and minimum temperatures in Nanjing for October based on the historical data.
Last Year
Historical Data

Going from a maximum of +82°F during the day to a minimum of +48°F during the night, the temperature in October averages around +75°F.

The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +79°F to +82°F.

Is Nanjing warm or cold in October?

Nanjing is typically mild in October.

Maximum temperatures go down compared to the previous month from +81°F to +72°F. The minimum temperature also goes down from +68°F to +57°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how October is compared to other months in Nanjing:

Climate in Nanjing in October

Nanjing weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+81°F+72°F+61°F
Min. temperature
+52°F+37°F+14°F
Max. temperature
+99°F+102°F+88°F
Rainfall
107 mm99 mm59 mm
Wind
2 m/s2 m/s2 m/s
Humidity
80%76%75%
Air pressure
1012 HPa1019 HPa1023 HPa
Sunny days
6910
Cloudy days
111111
Rainy days
14119
Snowy days
000

October weather is still as ok as in September. It’s getting colder in October. From +81°F in the day, the average maximum temperature lowers to +72°F. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 107 mm to 99 mm. It feels drier, as humidity decreases from 80% to 76%. The average wind speed doesn’t change much during October, staying around 2 m/s. The good news is there are likely to be more sunny days in October, from 6 to 9.

November brings much the same weather, it remains ok.

Wind

Wind speed in Nanjing in October based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Nanjing is gradually decreasing during October, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Nanjing based on historical data.
Last Year
Historical Data
Typically, there is a 13% chance of rain on an average day in October, with total rainfall of approximately 19 mm. The maximum amount of rainfall per day is around 8 mm, which is considered light rain. Nanjing is amazing in October with as little as 4 rainy days on average, so plan adventures in the great outdoors.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Nanjing wettest month is July, where a typical day has a 71% chance of precipitation and 230 mm of rainfall per day. December, on the other hand, is the driest month with a mere 19% chance of precipitation and 29 mm of rainfall per day.

How was the weather last October in Nanjing?

This is the weather in Nanjing in October 2024:
1 October
☁️
+80°F
2 October
☁️
+73°F
3 October
☁️
+69°F
4 October
☁️
+77°F
5 October
☀️
+77°F
6 October
☁️
+70°F
7 October
🌧️
+63°F
8 October
☁️
+72°F
9 October
☁️
+74°F
10 October
☁️
+71°F
11 October
☀️
+74°F
12 October
☁️
+74°F
13 October
☁️
+74°F
14 October
☀️
+77°F
15 October
☀️
+80°F
16 October
☀️
+81°F
17 October
☀️
+81°F
18 October
☀️
+82°F
19 October
🌧️
+78°F
20 October
☀️
+69°F
21 October
☀️
+69°F
22 October
☀️
+73°F
23 October
☀️
+75°F
24 October
☁️
+80°F
25 October
☁️
+78°F
26 October
☁️
+81°F
27 October
☁️
+74°F
28 October
☁️
+75°F
29 October
☀️
+78°F
30 October
☀️
+79°F
31 October
☀️
+83°F
In October 2024 Nanjing had 14 sunny days, 15 cloudy days, and 2 rainy days. The average maximum temperature was +75°F, with an absolute maximum of +82°F and a minimum of +63°F. The average humidity was 76%, with a maximum of 100% and a minimum of 29%. The average wind speed was 2 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Nanjing climate has changed over the last 43 years.

The climate in Nanjing in October 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

Frequently asked questions about the weather in Nanjing in October:

Is October a good time to visit Nanjing?

It’s always a good time to visit Nanjing, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Nanjing in October?

October has mild temperatures in Nanjing. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Nanjing rainy in October?

Nanjing is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Nanjing in October?

Usually, it’s not very sunny in Nanjing in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in China

Check out the weather for 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.