Hot
Average highs reach 32°C, so days can feel very hot.
Weather Guide
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 averages
Temp
29°C
Rain
1871mm
Annual total
Sun
5.4h
Sea
27°C
Weather score
60
Good avg
Hot
Average highs reach 32°C, so days can feel very hot.
Wet
Rainfall averages 419mm, so showers are a real planning factor.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Tainan, Taiwan with nearby places by weather score, rain, sun, temperature, and swim conditions.
July32°C average high
July is one of Tainan's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
July419mm average rain
July is one of Tainan's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to May and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July7.8 hours average sun
July is one of Tainan's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
July29°C average sea
July is one of Tainan's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
July55 weather score
July scores below Tainan's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril and October to November
These months have the strongest weather score in the monthly averages.