Chengdu in May

In May, Chengdu averages 27°C (80°F) during the day and 18°C (64°F) at night, with frequent rain — about 14 days of the month see precipitation (93 mm total).

Shoulder

Conditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.

May offers comfortable temperatures in Chengdu, with some rain to plan around.

27°C
Avg high
18°C
Avg low
14
Rain days
93 mm
Rainfall

How May compares to the rest of the year in Chengdu

4th
warmest month of the 12
4th
wettest month of the 12
8%
of yearly rainfall falls in May
13 h 41 min
daylight on the 15th

May is in the middle of the year for warmth in Chengdu (4th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 5°C above the annual average (21°C). May runs 3°C warmer than April (24°C) and warms a further 3°C into June (30°C).

May sunrise & sunset in Chengdu

🌅
Sunrise (15th)
6:09 AM
🌇
Sunset (15th)
7:50 PM
Day length
13 h 41 min

Times shown for Chengdu local time (Asia/Shanghai), calculated for the 15th of May. They shift by a few minutes day to day across the month.

Photography light in Chengdu — May

Golden-hour and blue-hour windows for the 15th of May, in Chengdu's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:09 AM – 5:49 AM
🌄 Golden hour (AM)
5:49 AM – 6:49 AM
🌇 Golden hour (PM)
7:10 PM – 8:10 PM
🌆 Blue hour (PM)
8:10 PM – 8:50 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Chengdu.

📅 When to book — Chengdu in May

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Shoulder) and Chengdu's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — May in Chengdu

Shoulder

Chengdu is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — May in Chengdu

☀️ UV Index (noon, 15th)
12.7
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Chengdu in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 11°C / 51°F 3°C / 38°F 12 mm 5
February 13°C / 55°F 5°C / 41°F 19 mm 6
March 19°C / 66°F 10°C / 50°F 38 mm 11
April 24°C / 74°F 14°C / 58°F 79 mm 12
May 27°C / 80°F 18°C / 64°F 93 mm 14
June 30°C / 85°F 21°C / 71°F 124 mm 14
July 31°C / 87°F 23°C / 73°F 288 mm 20
August 30°C / 87°F 23°C / 73°F 280 mm 21
September 26°C / 79°F 20°C / 67°F 109 mm 16
October 21°C / 70°F 15°C / 59°F 57 mm 12
November 16°C / 61°F 10°C / 49°F 19 mm 6
December 11°C / 52°F 4°C / 39°F 14 mm 5

Other cities with similar May weather

🌍 See the full ranked list of climate twins for Chengdu in May →

Frequently asked questions

How hot is Chengdu in May?

In May, Chengdu averages a high of 27°C (80°F) and a low of 18°C (64°F) — generally warm.

Does it rain a lot in Chengdu in May?

May can be fairly wet in Chengdu, with about 14 rainy days on average.

Is May a good time to visit Chengdu?

May is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Chengdu in May?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full May packing list for Chengdu for a complete, climate-based checklist.

Open Chengdu on the interactive map

Check the live 10-day forecast and sunrise/sunset.