When to visit
Tainan?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Tainan
Taiwan · Taiwan

The best weather in Tainan is from February, November, December. — consistent weather climate

Climate score
October
72

Excellent climate

⛈Hot & rainy

Temperature
23–29°C
Hot nights — A/C advised
Feels like
26–34°C
Muggy
Precipitation
121mm
Torrential rain · 10 days
Sunshine
9.8h
Partly cloudy
Humidity (%)
80%
Muggy
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
10°20°30°40°50°JanFebMarAprMayJunJulAugSepOctNovDec
International eSIM

Contains affiliate links.

Flights to Tainan

Contains affiliate links.

Monthly Overview
Score909389855436323643729393
ClimatePleasantPleasantPleasantPleasantHot & rainyHot & rainyHot & rainyHot & rainyHot & rainyHot & rainyPleasantPleasant
Temperature14–23°C15–24°C17–26°C21–28°C24–30°C26–31°C26–31°C26–30°C25–30°C23–29°C20–28°C16–24°C
Feels like13–23°C14–24°C18–27°C23–32°C28–35°C31–37°C32–38°C31–37°C30–37°C26–34°C22–30°C16–24°C
Precipitation44mm
6 days
28mm
4 days
47mm
6 days
76mm
7 days
221mm
17 days
291mm
22 days
282mm
23 days
423mm
29 days
242mm
18 days
121mm
10 days
36mm
4 days
26mm
4 days
Sunshine8.9h
☀︎ 82%
9.8h
☀︎ 86%
10.3h
☀︎ 86%
10.9h
☀︎ 86%
9.2h
☀︎ 70%
7.8h
☀︎ 58%
8.8h
☀︎ 66%
7.4h
☀︎ 57%
10.0h
☀︎ 82%
9.8h
☀︎ 84%
9.5h
☀︎ 86%
8.7h
☀︎ 81%
WindN · 20 km/hN · 21 km/hN · 20 km/hNW · 19 km/hW · 17 km/hS · 16 km/hS · 16 km/hS · 16 km/hNW · 16 km/hN · 17 km/hN · 18 km/hN · 21 km/h
Humidity (%)76%75%76%77%82%85%84%87%84%80%79%75%
Day length10.9h11.4h12.0h12.7h13.2h13.5h13.4h12.9h12.3h11.6h11.0h10.7h
Events & Festivals
JanFebMarAprMayJunJulAugSepOctNovDec
Yanshui Beehive Fireworks Festival
Confucius Temple Fall Ceremony
Events & Festivals
  • Yanshui Beehive Fireworks Festivalfestival
    February· 50k+ visitors

    Held on the final night of the Lantern Festival in Tainan's Yanshui district, this event fires hundreds of thousands of…

  • Confucius Temple Fall Ceremonycultural
    September· 5k+ visitors

    Every September, Tainan's historic Confucius Temple, the oldest in Taiwan, hosts a formal ceremony honoring the philosop…

The story of the seasons in Tainan

Tainan is an outdoor city built on alleys and open-air courtyards, which makes the dry, mild winter an undisputed paradise—yet traveler crowds inexplicably peak in autumn when the heat and moisture are still oppressive.

As Taiwan's oldest urban center and its former imperial seat for over two centuries, Tainan is a city that exists entirely at street level. It is meant to be navigated on foot through centuries-old alleys, open temple precincts, and courtyard stalls where steam rises into the night air. But in southern Taiwan, facing the Taiwan Strait, the sky dictates whether that wander feels like an effortless journey into living history or a battle against swampy, breathless air. Knowing when the southern skies clear makes all the difference between gliding through the old capital and retreating indoors to air conditioning.

The Golden Window of Dry Air and Cool Alleys

From November through February, Tainan enters its most glorious state. While northern Taiwan shivers under relentless winter drizzle, the south settles into clear skies, minimal rainfall, and crisp afternoons that hover in the low-to-mid twenties. The air loses its tropical weight, turning daytime walks across the historic brick ramparts of Fort Zeelandia and through the surrounding district of Anping into a pure pleasure.

What makes this window especially compelling is the calendar split. November and December see a steady stream of domestic travelers savoring the relief of late autumn, but come January and February, visitor numbers drop noticeably even as the weather reaches near-perfection. Days are sun-drenched and nights are cool enough to require a light jacket. In February, the historic rural district of Yanshui erupts for the Yanshui Beehive Fireworks Festival, where thousands don helmets and heavy fire-retardant jackets to stand inside walls of screaming bottle rockets. It is wild, deafening, and uniquely comfortable under the cool night sky.

The Gentle Warming Before the Deluge

March and April preserve much of winter's gentle grace while the thermometer steadily climbs. Rain remains a distant concern through early spring, drifting by as brief, occasional showers rather than the torrential downpours of midsummer. Mornings are bright, and walking between the banyan-shaded courtyards of the historic center feels unhurried.

Crowd levels stay pleasantly moderate throughout these two months. By mid-April, however, the first real pulses of tropical humidity begin to drift inward from the strait. Midday heat begins to bite, pushing apparent temperatures into the low thirties and signaling that the easy walking season is drawing to a close. If you travel now, plan your long wanders through historic districts for early morning or after dusk.

The Summer Furnace and the Monsoon Flush

May through August brings Tainan's most punishing conditions. The southwest monsoon collides with tropical heat, transforming the city into a sprawling steam bath. Rainfall multiplies rapidly, culminating in August when tropical depressions and seasonal downpours regularly unleash drenching deluges that flood gutters and stall foot traffic in minutes.

The real challenge is not just the volume of rain, but the suffocating ambient heat. Apparent temperatures routinely push into the late thirties, and the humidity barely relents after dark. Summer is a time when the city's celebrated outdoor life retreats behind roll-up steel doors and beneath blast-chilled dining rooms. Unless your goal is chasing seasonal fruit and moving strictly between air-conditioned taxis and indoor galleries, midsummer demands immense physical endurance.

The Baffling Autumn Rush

September and October represent the most confounding period on the local calendar. Tourist numbers surge sharply—peaking at the absolute busiest mark of the year in October—yet the physical reality on the ground does not justify the stampede. September remains hot, thick with moisture, and subject to sudden, intense late-monsoon storms.

There is undeniable cultural allure in September, particularly when the ancient Confucius Temple hosts its solemn Fall Ceremony to commemorate the philosopher's birthday with dawn rites, classical music, and traditional dancers in the courtyard. But the air during these ceremonies is heavy and damp. While October begins to see rain taper off, apparent temperatures still linger in the mid-thirties during peak daylight. Rushing to Tainan in early autumn means paying peak prices and navigating thick crowds for weather that November will deliver far better, cooler, and drier.

What to do

Things to do in Tainan

Top sights and attractions to build your days around once you know when to go.

Places from Wikidata and Wikipedia.

Tours & tickets in Tainan
Browse tours & tickets

Contains affiliate links.

Frequently asked questions

What is the best time to visit Tainan?

The best time to visit Tainan is February, January, March, April, November, December, October, with temperatures between 14 °C and 29 °C. The best month is February. February is low season.

What is the weather like in Tainan?

Tainan has a Tropical climate with an overall score of 6.8/10. Annual temperatures range from 14 °C to 31 °C.

What is the hottest month in Tainan?

The hottest month in Tainan is June, with average highs of 31 °C and lows of 26 °C.

What is the rainiest month in Tainan?

The rainiest month in Tainan is August, with an average of 423 mm of precipitation.