Taiwan Weather In 2025, all four Taiwanese areas—Taipei, Taichung, Tainan and Taitung—had record-high temperatures, with their own unique climates. Taipei is warm year-round, but its rainfall is uneven; the wettest month is September, with 275.6mm of rain. Taichung has hot, humid summers (up to 36℃) and cool, dry winters, and typhoons bring its rains. Tainan is a record-warm spot, with hot, dry winters and rainy summers—rainfall hits 250mm (peak) in September. Taitung, on the east coast, has mild weather: typhoons cause summer rains, and winter has little rain.

Taipei Area Weather

Taipei has a warm year with record-high temperatures, mostly rainy weather, and uneven rainfall. Monthly rainfall differs greatly—from 1.6mm (December's low) to 275.6mm (September's high)—and temperatures remain mild to hot throughout all seasons.

Taipei Average Climate by Month

Clothing

Spring, light jackets or long sleeves work—temperatures rise slowly from 14-22℃. Summer, breathable tees and shorts handle 25-33℃ heat, plus rain gear for often heavy rain. Autumn, thin sweaters fit since temperatures cool a bit to 22-31℃. Winter, light coats work; layering keeps warm in mild 13-18℃ lows.

What to do in each season

Take a hot spring bath

Spring, walk in Yangmingshan to see blooming flowers—temperatures rise gently from 14-22℃, and mild weather fits outdoor walks. Summer, beat 25-33℃ heat by visiting Beitou hot springs on rainy days; occasional downpours make the soak cozier. Autumn, hike Elephant Mountain as temperatures cool a bit to 22-31℃, with clear skies giving great city views. Winter, explore historic streets like Dihua Street—mild 13-18℃ lows let you walk comfortably, just skip rare cold snaps that barely hit.

Taichung Area Weather

Taichung had a record-warm 2025: summers were hot and humid (highs hitting 36℃), winters cool and dry. Typhoon-influenced rainfall peaks at 220mm in September and drops to 25mm in December, with clear seasonal differences.

Taichung Average Climate by Month

Clothing

Spring, light layers like cardigans or thin jackets fit—temperatures go up slowly from 15-24℃, balancing cool mornings and warmer afternoons. Summer, cool, moisture-wicking clothes (breathable tees, shorts) help handle 26-36℃ heat and humidity. Autumn, thin sweaters or hoodies work as temperatures cool to 16-33℃, matching mild, dry weather. Winter, wear regular jackets (no heavy coats)—layers keep you comfy in 11-20℃ lows.

What to do in each season

Alishan

Spring, Wuling Farm’s cherry blossoms are nice to see—temperatures go up slowly from 15-24℃, mild weather making viewing easy. In summer, Sun Moon Lake beats the 26-36℃ heat and humidity; boat rides or shaded shore walks feel refreshing. Autumn, Alishan is good for hiking as temperatures cool to 16-33℃, crisp air and clear mountain views fitting mild, dry days. Winter, Fengjia Night Market’s great for snacks—11-20℃ lows keep strolling and sampling nice, no harsh cold.

Tainan Area Weather

Tainan was one of 2025’s record-warm regions, with hot, dry winters and rainy summers. Rainfall peaks in September (250mm), stays low in spring (40mm max in March), and shows sharp seasonal differences influenced by seasonal weather patterns.

Tainan Average Climate by Month

Clothing

Spring, short-sleeves plus light jackets suit—temperatures rise 17-25℃, cool mornings balanced with warmer afternoons, dry so no heavy layers needed. Summer, sleeveless tops/shorts for 26-36℃ heat; raincoats a must, monthly 190-230mm rain brings frequent sudden downpours. Autumn, T-shirts or thin long-sleeves fit as temperatures cool 25-33℃, rainfall falls post-September peak in mild climate. Winter, light sweaters suffice (no thick outerwear)—temperatures stay 14-22℃, dry conditions keep weather comfy.

What to do in each season

Anping Old Fort

Spring, Anping Old Fort is great to visit—temperatures go up 17-25℃, mild dry weather making walks around historic walls and ruins comfy. Summer, Chimei Museum works on rainy days to beat 26-36℃ heat; monthly 190-230mm rain brings frequent downpours, indoor spaces giving a cool break from humidity. Autumn, Tainan street food is worth trying as temperatures cool to 25-33℃, rainfall drops post-September peak for nice night market strolling. Winter, Confucius Temple is nice to wander in 14-22℃ warmth, dry weather keeping its courtyards and halls enjoyable, no harsh cold.

Taitung Area Weather

2025 brought record-high temperatures to Taitung, which has the East Coast’s mild climate. Typhoons cause summer rains—rainfall hits 240mm in September (peak) and stays low (25-35mm/month) in winter, with obvious seasonal changes.

Taitung Average Climate by Month

Clothing

Spring, light shirts and pants work—temperatures rise 16-24℃, mild dry weather with cool mornings and warmer afternoons, no heavy layers needed. Summer, pick breathable clothes for 25-34℃ heat; keep waterproof gear handy, typhoon rains bring 180-240mm monthly, sudden downpours are common. Autumn, thin layers fit as temperatures cool 24-31℃, rainfall dropping post-September peak in comfy climate. Winter, light jackets suffice, warm in the sun—temperatures stay 13-20℃, 25-35mm monthly rain, keeping the weather pleasant.

What to do in each season

Jinzun Beach

Spring, cycle East Coast Highway—temperatures rise 16-24℃, mild dry weather boosting enjoyment of coastal breeze and scenic views. Summer, surf Jinzun Beach to beat 25-34℃ heat; typhoon rains (180-240mm/month) fall in short bursts, leaving lots of sunny time for water sports. Autumn, visit Sansiantai as temperatures cool 24-31℃, rainfall dropping post-September peak for comfy exploration of the iconic bridge and coast. Winter, explore Taitung Forest Park in 13-20℃ warmth, dry weather (25-35mm/month rain), making trail/grassland walks nice in the sun.

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