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Weather in Tainan - 14-day forecast

Detailed weather forecast for Tainan, Taiwan: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Tainan
today☀️ 34°💧 0.2 mm
Thu☀️ 35°💧 0.4 mm
Fri🌧️ 32°💧 2.9 mm
Sat🌧️ 28°💧 32.9 mm
Sun🌧️ 30°💧 27 mm
Mon🌧️ 32°💧 6.4 mm
Tue🌧️ 32°💧 14.6 mm
Wed🌧️ 32°💧 9 mm

14-day forecast - Tainan

WEATHER FORECAST · 15 DAYSTainanTaiwan · 16-day forecast34°☀️Todaynight 30° · wind 5 m/s · humidity 46%🌅 05:19 🌇 18:49 · daylight 13 h 30 min34°30°35°30°32°29°28°30°27°32°29°32°27°32°28°29°33°30°33°29°33°30°34°30°33°30°34°30°RAIN (MM)0.20.42.932.9276.414.6912.53.54.120.99.93.1Wed8.07Thu9.07Fri10.07Sat11.07Sun12.07Mon13.07Tue14.07Wed15.07Thu16.07Fri17.07Sat18.07Sun19.07Mon20.07Tue21.07Wed22.07AVERAGE32°MAX.35° (9.07)MIN.28° (11.07)TOTAL RAIN129.4 mmSUNNY DAYS2world-prices.com · updated 2026-07-08

Day-by-day forecast for Tainan

Wednesday8 July 2026
☀️34°clear sky
sunrise 05:19 · sunset 18:49 · night 30° · evening 33° · rain 0.24 mm · humidity 46% · wind 5 m/s · clouds 14%
Thursday9 July 2026
☀️35°clear sky
sunrise 05:19 · sunset 18:49 · night 30° · evening 32° · rain 0.42 mm · humidity 45% · wind 7 m/s · clouds 50%
Friday10 July 2026
🌧️32°light rain
sunrise 05:20 · sunset 18:49 · night 29° · evening 30° · rain 2.93 mm · humidity 60% · wind 12 m/s · clouds 95%
Saturday11 July 2026
🌧️28°moderate rain
sunrise 05:20 · sunset 18:48 · night 29° · evening 29° · rain 32.92 mm · humidity 79% · wind 14 m/s · clouds 100%
Sunday12 July 2026
🌧️30°moderate rain
sunrise 05:21 · sunset 18:48 · night 27° · evening 29° · rain 26.99 mm · humidity 79% · wind 10 m/s · clouds 100%
Monday13 July 2026
🌧️32°light rain
sunrise 05:21 · sunset 18:48 · night 29° · evening 32° · rain 6.38 mm · humidity 62% · wind 5 m/s · clouds 100%
Tuesday14 July 2026
🌧️32°moderate rain
sunrise 05:21 · sunset 18:48 · night 27° · evening 29° · rain 14.58 mm · humidity 59% · wind 4 m/s · clouds 100%
Wednesday15 July 2026
🌧️32°moderate rain
sunrise 05:22 · sunset 18:48 · night 28° · evening 31° · rain 9 mm · humidity 61% · wind 4 m/s · clouds 86%
Thursday16 July 2026
🌧️29°moderate rain
sunrise 05:22 · sunset 18:47 · night 28° · evening 31° · rain 12.51 mm · humidity 76% · wind 3 m/s · clouds 97%
Friday17 July 2026
🌧️33°light rain
sunrise 05:23 · sunset 18:47 · night 30° · evening 32° · rain 3.45 mm · humidity 55% · wind 4 m/s · clouds 18%
Saturday18 July 2026
🌧️33°light rain
sunrise 05:23 · sunset 18:47 · night 29° · evening 31° · rain 4.14 mm · humidity 55% · wind 4 m/s · clouds 20%
Sunday19 July 2026
🌧️33°light rain
sunrise 05:24 · sunset 18:47 · night 30° · evening 32° · rain 1.98 mm · humidity 54% · wind 3 m/s · clouds 92%
Monday20 July 2026
🌧️34°light rain
sunrise 05:24 · sunset 18:46 · night 30° · evening 34° · rain 0.87 mm · humidity 57% · wind 4 m/s · clouds 98%
Tuesday21 July 2026
🌧️33°moderate rain
sunrise 05:24 · sunset 18:46 · night 30° · evening 32° · rain 9.93 mm · humidity 60% · wind 5 m/s · clouds 75%
Wednesday22 July 2026
🌧️34°light rain
sunrise 05:25 · sunset 18:46 · night 30° · evening 33° · rain 3.09 mm · humidity 57% · wind 4 m/s · clouds 31%
Thursday23 July 2026
🌧️32°moderate rain
sunrise 05:25 · sunset 18:45 · night 27° · evening 28° · rain 12.39 mm · humidity 60% · wind 7 m/s · clouds 100%

☀️ UV index in Tainan - is it safe to sunbathe?

☀️ UV INDEX · 16-DAY FORECASTTainan03681111+9.1UV VERY HIGHtoday, daily maxSPF 50, long sleeves and shade between 10:00 and16:00.⏱ Unprotected fair skin may burn in about 20 min9Wed8.079Thu9.077Fri10.071Sat11.074Sun12.078Mon13.078Tue14.079Wed15.078Thu16.079Fri17.079Sat18.078Sun19.079Mon20.078Tue21.078Wed22.078Thu23.070-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-07-08
Today the UV index in Tainan is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

🌊 Sea temperature - Tainan

Water today
32°C
Week avg
30°C
Waves today
0.5 m
How's the water?
very warm
16-day sea temperature forecast:
8.07 32°C9.07 32°C10.07 31°C11.07 29°C12.07 29°C13.07 30°C14.07 30°C15.07 30°C16.07 30°C
Average sea temperature through the year:
Jan 22°CFeb 22°CMar 24°CApr 27°CMay 29°CJun 31°CJul 31°CAug 31°CSep 31°COct 29°CNov 27°CDec 24°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Tainan

Air quality in Tainan is currently good. Fine particulate PM2.5: 22.2 µg/m³, PM10: 25.9 µg/m³.
CityPM2.5 (µg/m³)PM10 (µg/m³)Air quality
Taoyuan31.732.2good
Tajpej29.331.5good
Keelung29.331.5good
Taichung City27.127.6good
Nantou27.127.6good
Xinzhu26.227.4good
Douliu24.129.3good
Tainan22.225.9good
Kaohsiung City22.225.9good
Taitung City11.213.4very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 09:00).

Nearby places

KaohsiungDouliuTaitungcityTaichungHengchun

FAQ - Tainan weather

What is the weather like in Tainan today?
Today it is about 34° during the day and 30° at night, clear sky.
How far ahead can I check the forecast for Tainan?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.