Tainan weather in May 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Tainan in May. Check more long-term weather averages for Tainan in May before you book your next holiday to Taiwan in 2025/2026.

  • 31°C maximum daytime temperature in May in Tainan31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Tainan16
    16 days with some rainfall
  • 22°C minimum night-time temperature in May in Tainan22
    22°C min night temperature
  • 13 hours of daylight per day in May in Tainan13
    13 hours of daylight per day
  • High heat & humidity in May in TainanH
    High heat & humidity
  • 172 mm monthly rainfall in May in Tainan172
    172 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Tainan11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Tainan27
    27°C sea temperature

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The May weather guide for Taiwan (Tainan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Tainan in May?

Daytime temperatures usually reach 31°C in Tainan in May with high heat and humidity, falling to 22°C at night.

How sunny is it in Tainan in May?

There are normally 6 hours of bright sunshine each day in Tainan in May - that's 42% of daylight hours.

How warm is the sea around Tainan in May?

The average sea temperature around Tainan in May is 27°C.

Does it rain in Tainan in May?

There are usually 16 days with some rain in Tainan in May and the average monthly rainfall is 172mm.

What is the chance of a typhoon in Tainan in May?

On average less than 1 day in May in Tainan is likely to be affected by the passage of one or more tropical storms.

Tainan May sunrise & sunset times

Browse the sunrise and sunset times for Tainan in May 2025. Select a month to view Tainan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:26 18:27
Friday, 16th May 2025 05:18 18:33
Saturday, 31st May 2025 05:13 18:40

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