Ask when to visit China and you will be told "spring or autumn". That is correct and nearly useless, because it says nothing about the fact that Harbin in May is still cold, Guilin in April is beautiful and drenched, and the Tibetan plateau is effectively shut from November to April.
Here is the version that actually helps.
The short answer#
Late April to early June and mid-September to early November are the two reliable nationwide windows. Temperatures are mild across the eastern half of the country, the summer monsoon has not arrived or has left, and domestic travel volumes are at their normal level rather than their holiday level.
If you can only pick one: October after the 8th. The Golden Week crowds have gone home, north China is clear and crisp, the light is exceptional, and you can still travel comfortably from Beijing to Guangzhou.
Month by month#
| Month | Weather | Crowds | Verdict |
|---|---|---|---|
| January | Cold and dry in the north; damp and chilly in the south; sub-zero in the northeast | Low, then extreme at CNY | Harbin Ice Festival; skip elsewhere |
| February | Cold; CNY often falls here | Extreme around CNY | Avoid unless you want the festival itself |
| March | Warming, unsettled; sandstorm risk in Beijing | Low | Cheap; south is pleasant |
| April | Excellent from mid-month; blossom in the north | Rising | Very good, one of the best |
| May | Warm and pleasant after the holiday | Busy 1–5, then moderate | Excellent from the 6th |
| June | Hot and humid; plum rains in the Yangtze basin | Moderate | Good for Tibet, Xinjiang, Inner Mongolia |
| July | Hot, humid, heavy rain; typhoons on the coast | High (school holidays) | Only for the far west and northeast |
| August | Same, plus peak heat | Highest domestic | Avoid the east; ideal for the plateau |
| September | Heat breaks from mid-month | Moderate | Very good from mid-month |
| October | Clear and crisp | Extreme 1–7, then low | Best of the year after the 8th |
| November | Cool and dry; autumn colour | Low | Excellent value, superb light |
| December | Cold in the north, mild in the far south | Low | Cheap; good for Yunnan and Hong Kong |
Region by region#
North China — Beijing, Xi'an, Datong, Pingyao#
Continental: freezing dry winters, hot humid summers, short glorious shoulder seasons. September to early November is the best period of the year here, with clear skies and comfortable temperatures. April and May are good but carry a spring dust risk from the Gobi. Winter is genuinely cold (Beijing regularly hits −8°C) but has one real advantage: the Great Wall and the Forbidden City under snow, almost empty.
The Yangtze and the east — Shanghai, Suzhou, Hangzhou, Nanjing#
Humid subtropical. The complication is the meiyu, the plum rain season, which drops persistent rain across the lower Yangtze in mid-June to mid-July. July and August are hot and sticky — Nanjing, Wuhan and Chongqing are traditionally called the "three furnaces", regularly exceeding 38°C. April, May, October and November are the good months; classical gardens in Suzhou are at their best in late spring.
The south — Guangzhou, Hong Kong, Guilin, Yangshuo#
Subtropical to tropical, with a distinct wet season from April to September and typhoon risk from July to September. Guilin's karst landscape is at its most photogenic in the misty, rainy months of April to June — atmospheric, but you will get wet, and the Li River is at its fullest. October to December is the driest and most comfortable stretch.
The southwest — Chengdu, Yunnan, Guizhou#
Chengdu sits in a basin under near-permanent cloud; it is mild year-round but rarely sunny, and its winters are grey rather than cold. Yunnan is the outlier — Kunming is called the Spring City because it hovers around 15–22°C almost every month. Yunnan is a good idea in any season, though its rainy season runs June to September, and Shangri-La at 3,200 m is cold from November to March.
The plateau and the far west — Tibet, Qinghai, Xinjiang#
These have a genuinely short season. June to September is when the passes are open, the grasslands are green and the weather is workable. Lhasa is technically visitable in winter — it is sunny and the crowds vanish — but transport across the plateau becomes unreliable and many treks close. Xinjiang bakes above 40°C in the Turpan basin in July, so aim for late May to June or September to October.
The northeast — Harbin, Changbaishan#
Brutally cold from November to March, which is exactly the point: the Harbin Ice and Snow Festival runs from late December to late February, with temperatures around −20°C. Summer is short, green and pleasantly cool, and is the local escape from the southern heat.
Season by trip type#
| If you want | Go in | Why |
|---|---|---|
| Classic first trip (Beijing–Xi'an–Chengdu–Shanghai) | Late Sep–early Nov | Best weather across all four |
| Hiking the Great Wall | Oct, or late Apr | Clear air, no heat, good visibility |
| Rice terraces at Longji | Jun (flooded, reflective) or Sep (golden) | The two photogenic states |
| Zhangjiajie and Huangshan | Oct–Nov | Fewer clouds, less rain, best chance of the sea-of-clouds |
| Tibet | Jun–Sep | Passes open, workable weather |
| Silk Road (Xinjiang, Gansu) | May–Jun, Sep–Oct | Avoids the 40°C+ summer |
| Skiing and ice festivals | Jan–Feb | Peak season in Heilongjiang and Jilin |
| Cheapest possible trip | Nov, or Mar (outside holidays) | Low-season hotel rates, empty sights |
Chinese public holidays to plan around#
| Holiday | Approximate date | Travel impact |
|---|---|---|
| New Year's Day | 1 Jan | Mild, 1–3 days |
| Spring Festival (Chinese New Year) | Jan–Feb, moves yearly | Extreme, 40-day surge |
| Qingming (Tomb Sweeping) | Around 4–6 Apr | Moderate, 3 days |
| Labour Day | 1–5 May | High, 5 days |
| Dragon Boat Festival | Jun, moves yearly | Moderate, 3 days |
| Mid-Autumn Festival | Sep–Oct, moves yearly | Moderate; sometimes merges with National Day |
| National Day Golden Week | 1–7 Oct | Extreme, 7–8 days |
Dates shift because several follow the lunar calendar, and the State Council publishes the official arrangement — including the "make-up" working weekends that surround each holiday — only in the autumn of the preceding year. Check it before locking in dates. More context in our guide to Chinese festivals and holidays.
Air quality: less of a problem than its reputation#
Beijing's air is dramatically better than its 2013 reputation, thanks to coal restrictions and industrial relocation, but winter still produces multi-day episodes where the AQI passes 150. In general:
- Worst: the northern plain (Beijing, Xi'an, Shijiazhuang) from November to March, when heating comes on.
- Best: Kunming, coastal Fujian and Guangdong, Hainan, the plateau — clean nearly year-round.
- Practical response: check an AQI app daily, keep an N95 in your bag if you are asthmatic, and reschedule outdoor days rather than cancelling them. Bad days are usually followed by a wind that clears everything within 24 hours.
Frequently asked questions#
What is the cheapest month to visit China?#
November, excluding the first week, and March are the cheapest for flights and hotels while still offering usable weather. Deep winter (January, outside Chinese New Year) is cheaper still if you can handle the cold in the north.
Should I avoid China during Chinese New Year?#
For a first trip, yes. Transport is booked solid, prices rise, and many family-run restaurants and shops close for one to two weeks. If you specifically want to see temple fairs, lanterns and fireworks, base yourself in one big city for the whole period rather than trying to move between cities.
When is the rainy season in China?#
It moves north with the summer monsoon. The south (Guangdong, Guangxi) is wet from April to September; the Yangtze basin has the plum rains from mid-June to mid-July; north China gets its heaviest rain in July and August. The far west and the plateau stay dry most of the year.
Is October a good time to visit China?#
Yes — after the 8th it is arguably the best week-for-week period of the entire year, with clear skies in the north, comfortable temperatures countrywide and normal crowd levels. The first week, National Day Golden Week, is the exact opposite.
What is the weather like in Beijing in winter?#
Cold, very dry and often sunny, with daytime highs around 0 to 5°C and nights down to −8°C or lower. It rarely snows heavily. It is a legitimate time to visit if you dress properly: sights are quiet, hotels are cheap and the light is excellent.