SeasonScore
Tainan, Taiwan
Photo: othree · CC BY 2.0

Taiwan

Tainan in May

🌧️ Rainy season

Warm, humid and often rainy.

🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · quick-dry fabrics

Best months: Feb (9.2), Jan (9.1), Dec (9.0)

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Why May scores 7.6What goes into the score

How it works
🌡️ 31° / 25°C🌧️ 160 mm💧 dew pt 24°🍃 PM2.5 26
  • Weather comfort6.7
    • ✓Warm (31°C highs / 25°C lows)
    • !Very humid/sticky (dew point 23.8°C)
    • !Wet: ~160 mm rain, ~5 heavy-rain days
  • Air quality6.8
    • !Elevated (PM2.5 ~26 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut May side by side with another month
MayFeb
Score7.6 Very good9.2 Excellent
Season🌧️ Rainy season☀️ Dry season
High / low31° / 25°24° / 16°
Rain160 mm24 mm
Humiditydew pt 24°dew pt 16°
PM2.526 µg/m³25 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Tainan weather-station normals. Rainfall: Tainan weather-station normals (national met service).

Holidays & crowdsMay 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Labor Day 30 Apr – 2 May · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore TainanEvents, sights, food & souvenirs

Check event dates locally

Taiwan's oldest city and former capital, full of temples, Dutch-era forts and old streets, and widely regarded as the island's street-food capital.

Events in May

No major events on our calendar for May.

Coming up later

Mango seasonDate variesUsually June to August

Tainan is Taiwan's main mango-growing area.

Why go: Peak time for mango shaved ice and fresh fruit.

Where: Yujing District and fruit stalls across Tainan

Yanshui Beehive FireworksDate variesLunar calendar — around the Lantern Festival (15th day of the first lunar month), usually February

Walls of fireworks are fired directly into the crowd as a religious ritual.

Why go: Full protective clothing and a helmet are essential if you join the crowd; many watch from a distance.

Where: Yanshui District, Tainan