Cool
Average highs are around 18°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 91mm, so some wet days are possible.

Monthly averages
Temp
18°C
Rain
91mm
Sun
6.2h
Weather score
33
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Showers
Rainfall averages 91mm, so some wet days are possible.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Map
Compare Jiuzhaigou, Sichuan, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
May18°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to August
This stretch sets the upper range for average daytime heat.
May91mm average rain
May is wetter than Jiuzhaigou's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May6.2 hours average sun
May is one of Jiuzhaigou's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
May33 weather score
May scores below Jiuzhaigou's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.