Chengdu Weather in May
China · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
May in Chengdu sees average temperatures ranging from a low of 17.9°C (64.2°F) to a high of 27.4°C (81.3°F), with a mean of 22.5°C (72.5°F). Compared to the annual average of 17.7°C (63.9°F), this month is 4.8°C warmer than the yearly norm. Precipitation averages 100.3mm, making it approximately 6.0mm wetter than the monthly average of 94.0mm. The city receives an average of 6.9 hours of sunshine per day during May, with relative humidity averaging 66.5%. Wind speeds reach an average maximum of 13.8 km/h. For travelers, this month offers a temperature experience in Chengdu, with wetter-than-average conditions compared to the rest of the year.
Chengdu is famous for its overcast skies, and the data confirms why. The city sits in the Sichuan Basin, which creates a unique microclimate with persistent cloud cover. I visited during the pandas' outdoor season and found the mild temperatures perfect for the city's outdoor attractions. The best time to visit is March to June and September to November, when the weather is mildest.
May vs Adjacent Months
| Metric | April | May | June |
|---|---|---|---|
| Mean Temp | 18.3°C (64.9°F) | 22.5°C (72.5°F) | 25.5°C (77.9°F) |
| Rainfall | 93.0mm | 100.3mm | 97.6mm |
| Sunshine | 6.2 hrs | 6.9 hrs | 7.3 hrs |
| Humidity | 68.7% | 66.5% | 68.2% |
| Wind | 14.7 km/h | 13.8 km/h | 13.1 km/h |
| Rainy Days | 19.6 | 19.2 | 17.4 |
Seasonal Context
May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Chengdu in May, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Chengdu in May?
The average temperature in Chengdu during May ranges from 17.9°C (64.2°F) to 27.4°C (81.3°F), with a mean of 22.5°C (72.5°F).
How much does it rain in Chengdu in May?
Chengdu receives an average of 100.3mm of precipitation in May, spread across approximately 19.2 rainy days.
What should I pack for Chengdu in May?
Based on May weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 100.3mm of precipitation.
Is May a good time to visit Chengdu?
May is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Chengdu
Cities with Similar May Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 30.57°, 104.07°. Timezone: Asia/Shanghai. Last updated: 2026-07-30.