Cool
Average highs are around 11°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 3.5h per day, so this is not one of the brighter months. Rainfall averages 93mm, so some wet days are possible.
Monthly averages
Temp
11°C
Rain
93mm
Sun
3.5h
Sea
25°C
Weather score
28
Poor
Cool
Average highs are around 11°C, so pack for cooler days.
Showers
Rainfall averages 93mm, so some wet days are possible.
Limited sun
Sunshine averages 3.5h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Compare Yushan, Taiwan with nearby places by weather score, rain, sun, temperature, and swim conditions.
December11°C average high
December is on the cooler side of Yushan's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
December93mm average rain
December is one of Yushan's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December3.5 hours average sun
December is one of Yushan's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJuly to September
This stretch has the strongest sunshine in the monthly averages.
December25°C average sea
December is below Yushan's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
December28 weather score
December scores below Yushan's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to October
These months have the strongest weather score in the monthly averages.