Tainan weather by month
The best time to visit Tainan is December to February — 91/100 in February, 23°C and 8 rainy days. The best season is the dry season, October to April (80/100 on average).
The worst month is August at 39/100 — sweltering, soaked, muggy air. See August →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Taiwan →
Best season: October to April (80/100 on average) · worst August (39/100)
- Days
- 23°C
- Nights
- 16°C
- Wet days
- 8
- Sun
- 9.3 h
- Humidity
- 78%
- Daylight
- 11 h

Tainan, month by month
Comfort score out of 100 for the kind of trip Tainan is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Tainan through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Lunar New Year14–22 FebHoliday
- February
- Yanshui Beehive Fireworks5 Feb – 10 Mar (usually)Festival
- May
- Plum rain season1 May – 15 Jun (usually)Season
- June
- Mango season1 Jun – 15 Aug (usually)Season
- July
- Typhoon season1 Jul – 15 Oct (usually)Hazard
- October
- Black-faced spoonbills at Qigu1 Oct – 31 Mar (usually)Nature
- The dry half of the year15 Oct – 15 Apr (usually)Season
Crowds in Tainan in February
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsLunar New Year, Winter break (around Chinese New Year) in Taiwan, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Good to know before you go to Tainan
Real experiences from travellers' own write-ups, quoted with a link to the original.
Customs & etiquette
A guide to Tainan's temples, including the centuries-old Temple of Avalokitesvara and the Confucius Temple, lays out the local etiquette worth knowing before visiting: remove your shoes before entering temple halls, avoid pointing directly at Buddha statues, and receive or offer items with both hands rather than one, standard practice across Taiwan's older sacred sites but easy to forget after visiting more casual attractions. Their practical tip for getting around: Tainan is flat with dedicated cycling lanes, making a rented bike a genuinely good way to cover the city's spread-out temples and night markets, though staying hydrated matters given how hot it runs most of the year.
Traveller notes on Tainan
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters describe February in southern Taiwan as cool and pleasant, typically 15-20C, milder than the 10-15C posters report further north - winter here is generally mild outside the high mountains. It's not officially the rainy season, but posters note rain remains a real possibility on any given day, so a light jacket that also handles rain is standard packing advice. Cold fronts can occasionally push temperatures down to around 6C for a couple of days, a real but temporary dip rather than the norm. Posters describe February overall as the tail end of winter with spring clearly approaching, milder than most visitors expect coming from more northerly climates.
Forum posters describe July and August as Taiwan's hottest months, typically 33-36C with high humidity, and afternoon thundershowers a regular feature of the June-August stretch. Posters are consistent that August sits within typhoon season (June-October), with August, July and September the three months most likely to see a storm make landfall - roughly three to four typhoons affect Taiwan in an average season, and a direct hit during a trip can cost travelers one to two disrupted days. Posters are equally clear that summer travel remains genuinely popular despite the heat, pointing to Taiwan's excellent air-conditioned MRT, malls and convenience stores, plus shaved ice and bubble tea on seemingly every corner, as real relief options. Posters generally rate August as hot, humid and typhoon-season for Tainan, entirely workable with flexible plans and frequent air-conditioned breaks.
Add your own note from Tainan's card on the map.