Chongqing Weather 2026: 7 Day Forecast & Best Time to Visit

Chongqing's weather forecast in 7 days and monthly weather, why summer hits 42°C, whether winter fog ruins the views, and the best months to visit, with temperatures, rain and humidity.

Latest Chongqing Weather Forecast 7 Days (October, 2026)

Chongqing Weather at a Glance

Chongqing is warm for most of the year and punishing for two months of it. July and August average highs of 33 to 34°C with humidity that makes them feel worse, and the city has recorded above 42°C in recent years, so those two months are best avoided unless you are heading for the mountains. Autumn is the pick of the year, winter is mild but damp, and sunshine is scarce in almost every month.

• Best months: late September to November, then March to May
• Hottest: July and August, peaking above 42°C
• Coldest: January, averaging 8.1°C, snow rare
• Wettest: June, around 212 mm
• Humidity and light: 70 to 84 per cent year-round, about 983 sunshine hours a year
• Fog: roughly 100 days a year, mostly November to February

Best Time to Visit Chongqing - Weather by Month

Two patterns are worth carrying with you: the city gets progressively hotter and rainier from March to August, then cools sharply through October and November, and the sunshine figures bear almost no relationship to how pleasant a month is.

Best Time to Visit Chongqing - Weather by Season

What Makes Chongqing's Weather Different

Four things shape every trip here.

• The basin traps heat. Chongqing sits at the confluence of the Yangtze and Jialing rivers, in a low river valley surrounded by hills. Hot air has nowhere to go, and the mountains block the airflow that would otherwise clear it. Locals call the city one of the Yangtze's traditional "three furnaces", and the nickname is earned rather than marketing.
• Humidity is constant. Relative humidity runs between 70 and 84 per cent in every month of the year. That is what turns 34°C into something that feels considerably worse, and what makes winter feel colder than the thermometer suggests.
• Sunshine is scarce. Roughly 983 hours a year, against more than 1,700 in Beijing. December averages 18 hours of sunshine across the whole month, which is under 40 minutes a day. If you are coming for blue skies and photographs, autumn is your window, not winter.
• Fog is a feature, not an accident. Around 100 foggy days a year, most of them between November and February. It is why Chongqing is known as the fog capital, and it has a real effect on river views and cable car rides.

Best and Worst Times to Visit Chongqing

Chongqing has two comfortable windows and one month to avoid. Late September through November is the pick of the year, with March to May not far behind, while July and August in the city are a genuine endurance test for anyone not heading for the mountains. The tables below set out why, including the holiday periods that make otherwise good months difficult.

Worst Times to Visit Chongqing

Worst Times to Visit Chongqing

How Weather Affects Chongqing's Main Attractions

Chongqing is unusual in that most of its headline sights are either indoors or lit, which means bad weather rarely ruins a day outright. What weather does change is which sights are worth doing when, and whether a viewpoint or a river trip is worth the trip on a particular morning.

Chongqing Summer: What 42°C Actually Feels Like

The numbers are not theoretical. In 2024, Shapingba recorded 77 days above 35°C across the year, a national record for a provincial-level city, including a run of 42 consecutive high-temperature days in August and September. September alone produced 25 such days. In 2025, the city recorded its longest summer since records began at 186 days, and Wuxi County hit 44.2°C on 4 August, the highest reading in its history. In July 2026, Shapingba logged 20 consecutive high-temperature days, a July record, with Beibei reaching 42.3°C.

What that means in practice:

• Nights stay hot. Average lows in July and August sit around 25°C, and during heatwaves they often stay near 30°C. There is no cool window to recover.
• Humidity makes it worse. At 70 to 79 per cent, the heat index runs well above the air temperature.
• The middle of the day is unusable. Sightseeing between 11am and 5pm in July or August is not a challenge to be overcome; it is a bad plan.
• If you are here in summer, go up. Xiannü Mountain in Wulong, Heishan Valley and Jinfo Mountain sit at altitude and run far cooler than the city. This is what locals do.

Chongqing Winter: Why 10°C Feels Colder Than It Sounds

Chongqing lies south of China's Qinling-Huaihe heating line, which means there is no municipal central heating. Buildings are designed for a climate that is hot rather than cold, and indoor temperatures in an unheated space are often barely different from outdoors.

Add humidity above 80 per cent and the damp air conducts heat away from your body, so a 10°C day commonly feels like 5°C or lower. Two practical consequences for travellers:

• Check how your hotel heats the room. Mid-range and upscale hotels use central or split air conditioning with a heating function, and the better ones have underfloor heating. Budget hotels and guesthouses usually rely on a wall-mounted air conditioner. Ask before you book, and ask whether the heating is actually working.
• Air conditioning heat feels different from radiator heat. Warm air rises, so your head stays warm while your feet stay cold, and the air dries out. If you are sensitive to that, ask for an extra blanket, keep the room humidified, and pack socks you can sleep in.

Does the Chongqing Fog Ruin the Views?

Partly, and it depends what you came for. Chongqing averages around 100 foggy days a year, concentrated from November to February, and the fog is thick enough to hide the river and the skyline from the hillside viewpoints.

Three things to know. First, the fog is often at its worst in the morning and lifts or thins by afternoon, so a flexible daily plan helps. Second, the city's signature sights, Hongya Cave, the illuminated riverfront and the monorail threading through a building, work well in fog and mist because they are lit. Third, if clear panoramas are the point of your trip, come in autumn, when the summer haze has cleared and the fog has not yet arrived.

What to Pack for Chongqing

Two items matter here more than they would in most Chinese cities: shoes with real grip, because the city is a sequence of slopes and staircases that turn slippery in rain, and a folding umbrella, which is useful in every season except perhaps the height of summer. Everything else follows the season.

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