The best times to visit Jiangnan for ideal weather are
September 10th to November 25th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Jiangnan Travel Guide
Other Jiangnan Travel Info
Weather in Jiangnan
Average temperatures in Jiangnan vary drastically. Considering humidity, temperatures feel nice some of the year, but often too hot in the summer and cold in the winter with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 35th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Jiangnan, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 91.9°F (33.3°C) with temperatures rarely dropping below 75.5°F (24.2°C) at night.
Jiangnan Temperatures (Fahrenheit)
Jiangnan Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Jiangnan Perceived Temperature (F)
Jiangnan Perceived Temperature (C)
Average Jiangnan Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Jiangnan are January, December, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late December. For example, on the week of December 24th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid April with an average of 3 days of significant precipitation the week of April 16th.
When can you find snow in Jiangnan? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Jiangnan.
Snow on the Ground
The graph below shows the average snow on the ground in Jiangnan (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Jiangnan has some very humid months, with other comfortably humid months. The least humid month is January (58% relative humidity), and the most humid month is July (71.8%).
Wind in Jiangnan is usually extremely calm. The windiest month is July, followed by March and April. July’s average wind speed of around 3.1 knots (3.6 MPH or 5.7 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late March where average top sustained speeds reach 6.3 knots, which is considered a light breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Jiangnan.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||2.7||Barely noticeable||4.6||Light breeze|
|Feb||2.8||Barely noticeable||4.9||Light breeze|
|Mar||3.1||Barely noticeable||5.6||Light breeze|
|Apr||3.1||Barely noticeable||5.7||Light breeze|
|May||3||Barely noticeable||5.2||Light breeze|
|Jun||2.9||Barely noticeable||5.2||Light breeze|
|Jul||3.1||Barely noticeable||5.6||Light breeze|
|Aug||3||Barely noticeable||5.5||Light breeze|
|Sep||2.7||Barely noticeable||4.7||Light breeze|
|Oct||2.5||Barely noticeable||4.3||Light breeze|
|Nov||2.6||Barely noticeable||4.4||Light breeze|
|Dec||2.7||Barely noticeable||4.7||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Jiangnan?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Macao; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Jiangnan, China is May, followed by February and April. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Jiangnan in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Jiangnan Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 82.6°F (28.1°C) and 52.1°F (11.2°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 9 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 9 to 12 days of precipitation per month. June – August is the slowest season for tourism in Jiangnan, so lodging and other accommodations may cost less than usual.
Fall (September through November)
Fall daily highs range from 82.3°F (27.9°C) and 56.9°F (13.8°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 5 to 8 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is too cold this time of year in Jiangnan to be enjoyable for warm weather travelers. The average high during this season is between 55.8°F (13.2°C) and 46.3°F (7.9°C). On average, it rains or snows a smalll amount: 2 to 5 times per month. These times of year are fairly slow with tourists.