Mild
Average highs are around 24°C, so days are mild rather than hot.
December verdict
Mixed for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 3.7h per day, so this is not one of the brighter months. Rainfall averages 92mm, so some wet days are possible.

Monthly averages
Temp
24°C
Rain
92mm
Sun
3.7h
Sea
25°C
Weather score
52
Mixed
Mild
Average highs are around 24°C, so days are mild rather than hot.
Showers
Rainfall averages 92mm, so some wet days are possible.
Limited sun
Sunshine averages 3.7h 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 Taitung, Taiwan with nearby places by weather score, rain, sun, temperature, and swim conditions.
December24°C average high
December is on the cooler side of Taitung's year, useful if you prefer less intense daytime heat.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
December92mm average rain
December is one of Taitung's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December3.7 hours average sun
December is one of Taitung's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
December25°C average sea
December is below Taitung'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.
December52 weather score
December scores below Taitung's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril and October
These months have the strongest weather score in the monthly averages.