Weather in Taipei

Taipei is in Taiwan at 25.1°N. The 2001–2020 NASA POWER daily record describes a mild oceanic climate. Rain is rain in every month and about 1916 mm across the year. The wettest month is June at 270 mm; the driest is February at 89 mm.

July is the warmest month (average 27.9°C, high 30.5°C) and January is the coolest (average 14.6°C, low 12.2°C). From the coolest night in January (12.2°C) to the hottest afternoon in July (30.5°C), the raw range is 18.3°C. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are April, October, and November.

Rain through the year

Rain does not take a season off. Taipei receives about 1916 mm a year, and even February still sees 89 mm. June is the peak at 270 mm and 23 days with at least 1 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. June averages 23 such days; February averages 16.

How warm Taipei gets

Taipei has a 13.3°C gap between its coolest monthly average (14.6°C in January) and its warmest (27.9°C in July). That is a northern-hemisphere pattern.

Mean high across all twelve months is 24.3°C and mean low is 19.2°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

The calendar in Taipei

The year bottoms out in January. Plan for 12.2°C at night and 17.0°C in the afternoon. February is the driest month, averaging only 89 mm across 16 rainy days. Highs sit near 18.4°C. In March, Taipei averages 20.8°C by day and 14.3°C at night, with 127 mm of rain. April brings 123 mm and 18 rainy days; temperatures run from 18.0°C to 24.3°C. May stands apart from the months beside it: 27.2°C / 21.5°C and 227 mm. June is the wettest month — 270 mm and 23 rainy days, with 84% humidity.

July is the warmest month. Afternoon highs average 30.5°C and nights settle near 25.3°C, with 169 mm of rain. August brings 263 mm and 24 rainy days; temperatures run from 25.2°C to 29.9°C. October stands apart from the months beside it: 25.1°C / 20.7°C and 108 mm. November brings 107 mm and 16 rainy days; temperatures run from 18.1°C to 22.5°C. In December, Taipei averages 18.5°C by day and 14.1°C at night, with 96 mm of rain.

Best months to visit Taipei

The three months with the highest comfort score are April, October, and November: April (21.2°C average, 123 mm, 83% humidity); October (22.9°C average, 108 mm, 84% humidity); November (20.3°C average, 107 mm, 85% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is July. The coolest stretch is January.

How Taipei compares inside Taiwan

Taichung is about 132 km away: Taipei is 0.5°C warmer than Taichung in its hottest month and 178 mm wetter over the year than Taichung. Taichung’s wettest month is August (329 mm) versus June here.

Tainan is about 265 km away: Taipei is 1.1°C cooler than Tainan in its hottest month and a similar annual rainfall (1892 mm in Tainan). Tainan’s wettest month is August (442 mm) versus June here.

Kaohsiung is about 298 km away: Taipei is 1.2°C cooler than Kaohsiung in its hottest month and 278 mm wetter over the year than Kaohsiung. Kaohsiung’s wettest month is August (403 mm) versus June here.