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Weather in Tainan — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Tainan

⛅

+30°

Partly cloudy

Feels like +36° · humidity 70%

Today 12.9: +31° / +25°

🕐 13:25

Wind

12 km/h

UV index

Air (AQI)

53 · Moderate

Precipitation

49%

Humidity

70%

Pressure

1014 hPa

Sunrise / sunset

05:44 / 18:06

Sea temperature

🌊 +30°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

☂️ Take an umbrella🧴 SPF 50Feels warmer by 6°

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Tainan

Today, 12 September, Saturday, in Tainan (Taiwan): cloudy, light rain in places, hot. During the day the air will warm up to +31°, at night around +25°. Due to high humidity it feels like +36°. UV is extreme (index 8) — better stay in the shade at midday. Wind up to 12 km/h. Brief rain is possible — an umbrella won't hurt. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +30° — great for swimming. The sun will rise at 05:44 and set at 18:06 — daylight lasts 12 hours.

Hourly weather in Tainan

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Tainan for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Today 12.9

🌦️

💧 49%

+25° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Drizzle · precipitation 49% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 13.9

⛈️

💧 100%

+26° +31°

Morning

☁️

+28°

Day

⛈️

+31°

Evening

🌇

+27°

Night

🌙

+26°

Thunderstorm · precipitation 100% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

⛈️

💧 100%

+24° +31°

Morning

⛈️

+27°

Day

⛈️

+31°

Evening

🌇

+29°

Night

🌙

+24°

Thunderstorm · precipitation 100% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 15.9

⛈️

💧 100%

+25° +30°

Morning

⛈️

+27°

Day

⛈️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Thunderstorm · precipitation 100% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

⛈️

💧 100%

+25° +31°

Morning

⛈️

+27°

Day

⛈️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Thunderstorm · precipitation 100% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

⛈️

💧 96%

+25° +31°

Morning

⛈️

+27°

Day

⛈️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Thunderstorm · precipitation 96% · wind up to 8 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

🌦️

💧 62%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Drizzle · precipitation 62% · wind up to 8 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 19.9

⛈️

💧 67%

+26° +30°

Morning

⛈️

+27°

Day

⛈️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Thunderstorm · precipitation 67% · wind up to 7 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

🌦️

💧 73%

+25° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Drizzle · precipitation 73% · wind up to 8 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

☁️

💧 50%

+25° +30°

Morning

☁️

+27°

Day

☁️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Overcast · precipitation 50% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 22.9

🌦️

💧 49%

+25° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Drizzle · precipitation 49% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 23.9

⛈️

💧 41%

+26° +28°

Morning

⛈️

+27°

Day

⛈️

+28°

Evening

🌇

+28°

Night

🌙

+26°

Thunderstorm · precipitation 41% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 24.9

🌦️

💧 51%

+25° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Drizzle · precipitation 51% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

🌦️

💧 56%

+24° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+29°

Night

🌙

+24°

Drizzle · precipitation 56% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

51 / 100

for sea and sun · Average

🏊 Swimming

27 / 100

water 30° · So-so

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

72%

extreme · high

☂️ Rain

49%

possible · moderate

✨ Stars

54 / 100

evening visibility · Average

🧺 Laundry drying

19 / 100

will dry outside · Bad

🚗 Car wash

36 / 100

better to wait · So-so

🌫️ Air quality

Moderate air

European AQI

PM2.5: 32PM10: 34O₃: 89NO₂: 49

Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise

05:44

Sunset

18:06

Golden hour

17:36

Daylight

12 h (-1 min vs yesterday)

Sea temperature

+30°

🌊 slight, waves 0.6 m.

Tainan climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+21°

+15°

Jan

+22°

+16°

Feb

+25°

+18°

Mar

+27°

+21°

Apr

+29°

+24°

May

+30°

+25°

Jun

+30°

+26°

Jul

+30°

+25°

Aug

+29°

+25°

Sep

+28°

+23°

Oct

+26°

+20°

Nov

+23°

+17°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+21°	+15°	+23°	46 mm	The most pleasant season: +21° by day, comfortable all day long. 🙂 a sweater for the evening. Water at +23° — great for swimming. This is the coldest month of the year.
February	+22°	+16°	+23°	42 mm	One of the best times to visit: +22° by day, fresh nights. 🙂 a sweater for the evening. Water at +23° — great for swimming.
March	+25°	+18°	+24°	57 mm	Ideal weather: +25° daytime — neither hot nor cold. 😊 light summer clothing. Water at +24° — great for swimming. Weather-wise, one of the three best months to visit.
April	+27°	+21°	+27°	116 mm	A comfortable month: +27° by day without exhausting heat. One of the wettest months (116 mm): downpours can derail plans. 😊 light summer clothing. Water at +27° — great for swimming.
May	+29°	+24°	+29°	280 mm	Warm and comfortable: +29° by day, +24° at night. It's a rainy month (280 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming.
June	+30°	+25°	+30°	383 mm	Gentle warmth — about +30° daytime, great walking weather. Frequent rain (383 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. The longest daylight hours of the year — more time for everything.
July	+30°	+26°	+31°	306 mm	A comfortable month: +30° by day without exhausting heat. One of the wettest months (306 mm): downpours can derail plans. 😊 light summer clothing. The sea is +31° — like a warm bath. This is the hottest month of the year in Tainan.
August	+30°	+25°	+30°	398 mm	Warm and comfortable: +30° by day, +25° at night. It's a rainy month (398 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. Statistically the wettest month of the year.
September	+29°	+25°	+30°	190 mm	Gentle warmth — about +29° daytime, great walking weather. Frequent rain (190 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath.
October	+28°	+23°	+29°	54 mm	A comfortable month: +28° by day without exhausting heat. 😊 light summer clothing. Water at +29° — great for swimming. Weather-wise, one of the three best months to visit.
November	+26°	+20°	+27°	41 mm	One of the best times to visit: +26° by day, fresh nights. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
December	+23°	+17°	+24°	43 mm	Ideal weather: +23° daytime — neither hot nor cold. 🙂 a sweater for the evening. Water at +24° — great for swimming. The shortest daylight of the year — it gets dark early.

When to visit Tainan

✅ Recommended time to visit

🌟 Best time: March, October, November

Daytime air+25…+28°

Sea temperature+24…+29°

Precipitationoften

Why: comfortable +25…+28° by day, little rain, warm sea (+24…29°).

⚠️ Doable, with caveats

🌤️ Shoulder season: January, February, April, May, September, December

Daytime air+21…+29°

Sea temperature+23…+30°

Precipitationoften

Why: noticeable rain risk (42–280 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: June, July, August

Daytime air+30…+30°

Sea temperature+30…+31°

Precipitationoften

Why: the rainy season (306–398 mm/month) — downpours almost daily.

Bottom line: the best time to visit Tainan is March, October, November, and the most comfortable months are March, October, November. The toughest months to visit are June, July, August: frequent rain.