Middle of the wetter season · Weather & things to do
Tainan in May
Tainan edges warmer than April, with highs of 83°F (28°C), lows of 78°F (25°C) and about 8.8 in (223 mm) of rain.
Our comfort score puts it mid-table at 53/100, 8th of 12.
- Avg high
- 83°F (28°C)
- Avg low
- 78°F (25°C)
- Rain
- 8.8 in (223 mm)
- Humidity
- 82%
- Cloud cover
- 66%
- Daylight
- ~13 h 06 min
- Comfort score
- 53/100 · Fair
What May feels like
Highs settle around 83°F (28°C), warm enough for short sleeves.
Nights stay warm too, with lows averaging 78°F (25°C).
Humidity averages 82%, so the air feels sticky and the heat feels stronger than the thermometer says.
Expect regular rain: about 8.8 in (223 mm) falls in the month.
Plan around May
May sits mid-table; the best months are November – March.
- Comfort slips from 78/100 in April to 53/100.
- May sits inside the Oct – Dec, Mar – May window our Taipei, Jiufen & Taroko route recommends.
What to pack for May
- Light, breathable clothes83°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Quick-dry fabrics82% average humidity
- Rain jacket and waterproof shoes8.8 in of rain on average
- Comfortable walking shoesmost picks involve some walking
What to do in Tainan in May
With 8.8 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Tainan Beef Soup
Thin slices of raw local beef cooked by hot broth poured over, a Tainan breakfast staple.
Why now A sit-down stop to wait out showers in a month with 8.8 in of rain.
Tainan Confucius Temple
Taiwan's first Confucian temple, built in 1665 with quiet courtyards.
Du Hsiao Yueh
The 1895 original of danzai noodles, small bowls topped with shrimp and pork sauce.
Why now Easy to slot in when May's rain moves in.
Anping Old Fort
Remains of Fort Zeelandia, the Dutch colonial base built in the 1620s.
Shennong Street
Lantern-lit lane of old shophouses with small bars, cafes and studios.
Nearby in May
- Hualien and Taroko in May~111 mi · highs 82°F, 7.7 in rain · similar daytime temperatures, drier
- Taipei in May~164 mi · highs 81°F, 9.0 in rain · 1°C (2°F) cooler by day, about as wet
- Jiufen and Pingxi in May~178 mi · highs 77°F, 9.0 in rain · 3°C (5°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Tainan in May: quick answers
Is May a good time to visit Tainan?
It's middling, scoring 53/100. The best months are November – March, at up to 86. Expect highs of 83°F (28°C) and 8.8 in (223 mm) of rain. May is inside the Oct – Dec, Mar – May window our Taipei, Jiufen & Taroko route recommends.
How hot is Tainan in May?
Average highs are 83°F (28°C) and average lows 78°F (25°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Tainan in May?
Yes: about 8.8 in (223 mm) of rain falls across May on average, the 5th-wettest month of the year. The annual total is about 74.4 in (1890 mm).
What should I pack for Tainan in May?
Bring light, breathable clothes (83°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), quick-dry fabrics (82% average humidity), rain jacket and waterproof shoes (8.8 in of rain on average) and comfortable walking shoes (most picks involve some walking).
Routes in season in May
- Taipei, Jiufen & Taroko Oct – Dec, Mar – May
Planning Tainan in May?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.