Briefing
Nanjing belongs to the North subtropical monsoon climate zone with four seasons, plentiful sunshine and rains. The average temperature in a year is 17.8℃ and the amount of precipitation is 1034 mm a year. The height of Summer followed by sunny weather with droughts. Spring and Autumn are marked by dry and cool weather. A frost-free period of about 225 days is good for crop growth.
Alongside Wuhan and Chongqing, Nanjing is traditionally referred to as one of the "Three Furnace-Cities" along the Yangtze River for the perennially high temperatures in the summertime. However, the time from mid-June to the end of July is the plum blossom Meiyu season, during which the city experiences a period of mild, damping rain. Typhoons are uncommon but possible in the late stages of Summer and early part of Autumn.
There are four distinct seasons in Nanjing.
* A warm and humid spring
* A humid and hot summer
* A brief and rainy autumn
* A damp and cold winter
Climate Data Table for Nanjing
|
Month
Item
|
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
Jul
|
Aug
|
Sep
|
Oct
|
Nov
|
Dec
|
|
maximum
temperature
(℃)
|
7.0
|
8.4
|
13.8
|
20.3
|
25.6
|
29.8
|
31.7
|
32.7
|
27.7
|
22.7
|
16.1
|
9.1
|
|
minimum
temperature
(℃)
|
-1.1
|
0.6
|
4.6
|
10.6
|
16.1
|
20.5
|
24.2
|
24.5
|
19.3
|
12.8
|
6.1
|
0.4
|
|
Rainfall (mm)
|
37.4
|
47.6
|
81.7
|
73.4
|
102.1
|
193.4
|
185.8
|
128.9
|
71.6
|
65.1
|
50.8
|
24.3
|
|
Days of rainfall
|
1.3
|
2
|
2.7
|
3.4
|
3.9
|
5.5
|
7
|
4.7
|
3.7
|
1.8
|
1. 9
|
1.3
|
Tips for Nanjing Weather
Best time to visit Nanjing and what to pack
The Spring is warm and humid. From March, the weather becomes warm and humid with less rain. It is a good time for outdoor activities and tourism.
The rainy season falls in June and July. In Summer, Nanjing becomes one of the three “furnace cities” along the Yangtze River, together with Wuhan and Chongqing. The hottest month is July, with an average high of 32 C and an average low of 25 C. Make sure you have plenty of drinking water with you when you go sightseeing and eat more fruits and vegetables. Please bring hats, sunglasses and sunscreens.
Autumn is short but the most pleasant season. The best time to visit Nanjing is during Autumn, when the weather is cool and dry. Osmanthus flowers are in full blossom in Autumn, leaving sweet scents flowing all over. So a T-shirt and shorts is the best choice.
Nanjing is cold in Winter with occasional snow. The coldest month is January, with an average high of 7deg C and an average low of -7deg C. Winters are cold with lots of rain and fog, the city actually seems to be constantly surrounded by fog. So thick clothes and some moisturizing skin care products are recommended.
Try to Avoid domestic travel seasons
Try to plan your Nanjing tour to avoid the peak holidays. Because they are popular with Chinese tourists, Nanjing attractions become more crowded in these periods.
The most crowded seasons in China are Chinese Spring Festival (usually in late Jan or early Feb.), International Labor Day (May 01 to 03) and National Day (Oct 01-07). Spring Festival and the National Day golden week are the most crowded time for travelling.
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