Climate guide for Chengdu, China

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Chengdu

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About Chengdu

May-September rewards Chengdu with giant-panda base visits, Jinli evenings, and Sichuan hotpot under humid but lively weather. Go pandas early; teahouses and museums cover hotter afternoons.

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Travel Tips

Plan ahead for Chengdu
Check local weather forecasts and seasonal crowd levels before traveling to Chengdu.

Things to do in Chengdu

Chengdu, China. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Chengdu: the short answer

The best time to visit Chengdu is March, followed by November, May. Those months combine the most usable temperatures with the fewest lost days to rain: March averages 14°C with 45 mm of rain and about 15 sunny days. The months to avoid unless you have a specific reason are July, August. If budget matters more than perfect weather, August is the strongest of the low-rate months at 4.4/10.

Across the year Chengdu swings from 7°C in January to 28°C in August, a 21-degree spread, while rainfall ranges from 11 mm in December to 247 mm in July. That is the whole planning problem in one sentence: Chengdu is not equally good year-round, and the difference between the best and worst month here is 4.6 points on a 10-point scale.

Warmest month: August (28°C). Coolest: January (7°C). Driest: December (11 mm). Wettest: July (247 mm).

Chengdu month by month

January in Chengdu — reliably good (8th best month)

Good · 7.4/10

January averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 17 mm of rain — occasional showers rather than washed-out days — alongside about 13 sunny days and 10.4 daylight hours.

It scores 7.4/10 here, 8th of 12 months, against 8.8/10 in the destination's best month.

Expect peak pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

February in Chengdu — reliably good (5th best month)

Good · 7.7/10

February averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 27 mm of rain — occasional showers rather than washed-out days — alongside about 10 sunny days and 11.1 daylight hours.

It scores 7.7/10 here, 5th of 12 months, against 8.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

March in Chengdu — the year's strongest window

Best window · 8.8/10

March averages 14°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 45 mm of rain — occasional showers rather than washed-out days — alongside about 15 sunny days and 12 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Chengdu at 8.8/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening.

April in Chengdu — reliably good (4th best month)

Good · 7.9/10

April averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 95 mm, so plan one flexible day in three; you still get about 17 sunny days and 12.9 hours of daylight.

It scores 7.9/10 here, 4th of 12 months, against 8.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

May in Chengdu — reliably good (3rd best month)

Good · 8/10

May averages 23°C (73°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 95 mm, so plan one flexible day in three; you still get about 19 sunny days and 13.7 hours of daylight.

It scores 8/10 here, 3rd of 12 months, against 8.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

June in Chengdu — workable with trade-offs

Trade-offs · 6.1/10

June averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

At 119 mm this is a genuinely wet month: about 19 sunny days in total, and outdoor plans need an indoor fallback.

It scores 6.1/10 here, 10th of 12 months, against 8.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

If your dates are flexible, March is materially better in Chengdu — 2.7 points higher on the same scale.

July in Chengdu — the hardest end of the year

Hardest · 4.2/10

July averages 27°C (81°F) with humidity around 78%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

247 mm of rain puts this in monsoon territory — about 24 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.2/10 here, 12th of 12 months, against 8.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, March is materially better in Chengdu — 4.6 points higher on the same scale.

August in Chengdu — the hardest end of the year

Hardest · 4.4/10

August averages 28°C (82°F) with humidity around 75%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

208 mm of rain puts this in monsoon territory — about 25 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.4/10 here, 11th of 12 months, against 8.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

If your dates are flexible, March is materially better in Chengdu — 4.4 points higher on the same scale.

September in Chengdu — workable with trade-offs

Trade-offs · 6.4/10

September averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

At 130 mm this is a genuinely wet month: about 20 sunny days in total, and outdoor plans need an indoor fallback.

It scores 6.4/10 here, 9th of 12 months, against 8.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

If your dates are flexible, March is materially better in Chengdu — 2.4 points higher on the same scale.

October in Chengdu — reliably good (6th best month)

Good · 7.5/10

October averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 70 mm, so plan one flexible day in three; you still get about 10 sunny days and 11.4 hours of daylight.

It scores 7.5/10 here, 6th of 12 months, against 8.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

November in Chengdu — reliably good (2nd best month)

Good · 8.1/10

November averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 20 mm of rain — occasional showers rather than washed-out days — alongside about 10 sunny days and 10.6 daylight hours.

It scores 8.1/10 here, 2nd of 12 months, against 8.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening.

December in Chengdu — reliably good (7th best month)

Good · 7.5/10

December averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 11 mm for the month, with about 13 sunny days and 10.2 hours of daylight to work with.

It scores 7.5/10 here, 7th of 12 months, against 8.8/10 in the destination's best month.

Expect peak pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

Frequently asked

When is the best time to visit Chengdu, China?
In Ideal Weather mode, the best months to visit Chengdu are March, November, May. March is the single peak month with an Ideal Weather score of 8.8/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Chengdu year-round?
Chengdu has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 7°C in January to 28°C in August, with Ideal Weather scores between 4.2 and 8.8 out of 10.
Which months should I avoid in Chengdu?
The lowest Ideal Weather-scoring months in Chengdu are July (4.2/10), August (4.4/10), June (6.1/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Chengdu?
July is the wettest month in Chengdu, averaging about 247 mm of rainfall. December is the driest, at roughly 11 mm.
Which is the sunniest month in Chengdu?
August sees the most sun in Chengdu, with about 25 sunny days on average - ideal for outdoor plans.
Is Chengdu a good destination for sightseeing and cultural travel?
Chengdu is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (March, November, May) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Chengdu calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Chengdu: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for sightseeing and cultural travel.

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