Mild
Average highs are around 22°C, so days are mild rather than hot.
January verdict
Mixed for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 3.8h per day, so this is not one of the brighter months. Rainfall averages 84mm, so some wet days are possible.

Monthly averages
Temp
22°C
Rain
84mm
Sun
3.8h
Sea
24°C
Weather score
49
Mixed
Mild
Average highs are around 22°C, so days are mild rather than hot.
Showers
Rainfall averages 84mm, so some wet days are possible.
Limited sun
Sunshine averages 3.8h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 24°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.
January22°C average high
January is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
January84mm average rain
January 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.
January3.8 hours average sun
January 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.
January24°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
January49 weather score
January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsApril and October
These months have the strongest weather score in the monthly averages.