Tainan Weather
Tainan weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Jan, Feb, Mar, Apr, Nov and Dec.
Tainan current weather
Tainan now (local time 16:45)
29°C
Clear
- Feels like
- 34°
- Humidity
- 71%
- Wind
- 11 km/h
Next 7 days · what to wear
22° – 32°C
Rain likely on 3 of 7 days
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella.
Tainan 14-day forecast
Today
10/4
🌦️
32°
25°
💧8%
Mon
10/5
🌦️
32°
25°
💧94%
Tue
10/6
🌦️
32°
23°
💧53%
Wed
10/7
☁️
30°
22°
💧14%
Thu
10/8
☁️
30°
24°
💧67%
Fri
10/9
🌦️
30°
24°
💧49%
Sat
10/10
☀️
31°
23°
💧12%
Sun
10/11
🌦️
32°
24°
💧27%
Mon
10/12
🌦️
31°
25°
💧25%
Tue
10/13
🌦️
29°
25°
💧27%
Wed
10/14
🌦️
29°
24°
💧37%
Thu
10/15
☁️
31°
24°
💧25%
Fri
10/16
☁️
32°
24°
💧24%
Sat
10/17
🌦️
31°
25°
💧15%
Best time to visit Tainan
On temperature and rainfall, the most comfortable months in Tainan are Jan, Feb, Mar, Apr, Nov and Dec. The hottest month is July (average high 32°C) and the coldest is January (average low 14°C).
Tainan climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| JanBest | 23°C | 14°C | 18 mm | 74% | +2°C |
| FebBest | 25°C | 15°C | 32 mm | 75% | +2°C |
| MarBest | 27°C | 17°C | 29 mm | 74% | +2°C |
| AprBest | 29°C | 21°C | 63 mm | 75% | +1°C |
| May | 30°C | 24°C | 201 mm | 81% | 0°C |
| Jun | 31°C | 26°C | 261 mm | 84% | 0°C |
| Jul | 32°C | 26°C | 261 mm | 83% | 0°C |
| Aug | 31°C | 26°C | 343 mm | 86% | -1°C |
| Sep | 31°C | 25°C | 221 mm | 84% | 0°C |
| Oct | 30°C | 23°C | 152 mm | 79% | 0°C |
| NovBest | 28°C | 20°C | 48 mm | 78% | +1°C |
| DecBest | 25°C | 16°C | 20 mm | 73% | +2°C |
Data: Open-Meteo historical weather, 2020–2024 averages (ERA5); Hong Kong comparison uses HKO 1991–2020 normals.
Tainan weather month by month: what to wear
Tainan in OctoberThis month
October in Tainan is warm to hot: average highs of 30°C and lows of 23°C, around 152 mm of rain (wet) and 79% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella.
Tainan in NovemberBest month
November in Tainan is warm to hot: average highs of 28°C and lows of 20°C, around 48 mm of rain (mostly dry) and 78% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Tainan in DecemberBest month
December in Tainan is pleasantly warm: average highs of 25°C and lows of 16°C, around 20 mm of rain (dry) and 73% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Tainan in JanuaryBest month
January in Tainan is pleasantly warm: average highs of 23°C and lows of 14°C, around 18 mm of rain (dry) and 74% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Tainan in FebruaryBest month
February in Tainan is pleasantly warm: average highs of 25°C and lows of 15°C, around 32 mm of rain (mostly dry) and 75% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Tainan in MarchBest month
March in Tainan is warm to hot: average highs of 27°C and lows of 17°C, around 29 mm of rain (dry) and 74% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; big day–night swing, so dress in layers.
Tainan in AprilBest month
April in Tainan is warm to hot: average highs of 29°C and lows of 21°C, around 63 mm of rain (mostly dry) and 75% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Tainan in May
May in Tainan is warm to hot: average highs of 30°C and lows of 24°C, around 201 mm of rain (wet) and 81% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Tainan in June
June in Tainan is warm to hot: average highs of 31°C and lows of 26°C, around 261 mm of rain (very wet) and 84% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Tainan in July
July in Tainan is hot: average highs of 32°C and lows of 26°C, around 261 mm of rain (very wet) and 83% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Tainan in August
August in Tainan is warm to hot: average highs of 31°C and lows of 26°C, around 343 mm of rain (very wet) and 86% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Tainan in September
September in Tainan is hot: average highs of 31°C and lows of 25°C, around 221 mm of rain (wet) and 84% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
FAQ
›What is the best time to visit Tainan?
On temperature and rainfall, the most comfortable months in Tainan are Jan, Feb, Mar, Apr, Nov and Dec. The hottest month is July (average high 32°C) and the coldest is January (average low 14°C).
›What's the weather like in Tainan in October, and what should I wear?
October in Tainan is warm to hot: average highs of 30°C and lows of 23°C, around 152 mm of rain (wet) and 79% humidity — about the same as Hong Kong. What to wear: T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella.
›What's the weather like in Tainan in November, and what should I wear?
November in Tainan is warm to hot: average highs of 28°C and lows of 20°C, around 48 mm of rain (mostly dry) and 78% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves, plus a light layer for air-conditioned interiors.
›When is the rainy season in Tainan?
Tainan is wettest in August, with about 343 mm on average, and driest in January, with about 18 mm.
›How cold does Tainan get? Does it snow?
The coldest month is January, averaging 23°C by day and 14°C at night. Snow is very unlikely.
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: July; coldest: January.