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 →

Tainan🇹🇼 Taiwan · Taiwan & Okinawa · City91
  1. 85Jan
  2. 91Feb
  3. 82Mar
  4. 71Apr
  5. 52May
  6. 41Jun
  7. 45Jul
  8. 39Aug
  9. 55Sep
  10. 64Oct
  11. 76Nov
  12. 88Dec

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, Taiwan
Photo: Alan Wang · Pexels

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.

MonthScoreTierHighRainSunCrowdsOn
Jan85A22°C9 d9 hBusy3
Feb91S23°C8 d9 hPeak4
Mar82A26°C9 d10 hShoulder3
Apr71B28°C10 d11 hShoulder1
May52D30°C17 d10 hShoulder1
Jun41F32°C22 d9 hQuiet2
Jul45F32°C17 d10 hBusy2
Aug39F31°C21 d9 hBusy2
Sep55D32°C12 d10 hShoulder1
Oct64C30°C8 d9 hShoulder3
Nov76B28°C5 d9 hShoulder2
Dec88A24°C6 d9 hBusy2

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

Everything on in Tainan through the year →

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)

JFMAMJJASOND

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.
Pack Lightly · Read the original ↗

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.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Tainan's card on the map.