Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Weather Guide
Tainan, Taiwan Average Monthly Weather
Weather score60Good annual avg
Best months: October, April, November
Across the year, average daytime temperatures are around 29°C, sunshine averages 5.4h per day, and rainfall totals about 1871mm. Sea temperatures average 27°C across the year.
Annual weather
Annual averages
Temp
29°C
Rain
1871mm
Annual total
Sun
5.4h
Sea
27°C
Weather score
60
Good avg
Seasonal climate calendar
Trip feel
Drier
Rainfall averages 50mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Tainan, Taiwan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October31°C average high
October sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
Rain
October50mm average rain
October is one of Tainan's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to May and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October5.8 hours average sun
October sits close to Tainan's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October28°C average sea
October sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
October73 weather score
October is one of Tainan's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril and October to November
These months have the strongest weather score in the monthly averages.
