Cool
Average highs are around 17°C, so pack for cooler days.
January verdict
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 4.8h per day, so this is not one of the brighter months. Rainfall averages 40mm, which is relatively low for holiday planning.

Monthly averages
Temp
17°C
Rain
40mm
Sun
4.8h
Sea
16°C
Weather score
37
Poor
Cool
Average highs are around 17°C, so pack for cooler days.
Drier
Rainfall averages 40mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Compare Xiamen, Fujian, China with nearby places by weather score, rain, sun, temperature, and swim conditions.
January17°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
January40mm average rain
January is one of Xiamen's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to February and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January4.8 hours average sun
January is below Xiamen's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
January16°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJune to October
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
January37 weather score
January scores below Xiamen's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsSeptember to October
These months have the strongest weather score in the monthly averages.