How humid is Taiwan in 2026?

In summer, the plains stay hot and saturated, so sweat does not evaporate well and the feels-like temperature runs above the actual reading. That is the classic tropical-island sticky, worst near the coast in Kaohsiung, Tainan, and Taipei. It pushes people indoors to air conditioning and shifts a lot of social life to the cooler evening, which is part of why night markets and late outings are such a fixture: Café and dining culture.

The twist is winter in the north. When the northeast monsoon parks damp air over the Taipei basin, the humidity does not leave, it just gets cold. A wet 12 to 15 C day in Taipei can feel much colder than the same number in a dry climate because moisture pulls heat off your skin and homes rarely have central heating: Living in Taipei. That damp-cold combination is the single most underrated part of moving north.

The north carries damp air across more of the year thanks to that winter monsoon, so Taipei and New Taipei feel clammy in both seasons. The south flips in winter: Kaohsiung and Tainan dry out into sunny, comfortable months, which is why people who cannot stand the mould drift south for the cool season: Living in Kaohsiung. Taichung on the central plain often sits in between: Living in Taichung. Head up in altitude toward the hills and mountains and the air cools and dries noticeably compared with the muggy coast.

Treat a dehumidifier as essential, not optional. Many households run one daily in the wet stretches, and it doubles as the fastest way to dry laundry that will not dry on a rack. That extra appliance use, plus summer air conditioning, is a real line on the power bill: Utilities, internet and transport. Before you sign a lease, check bathroom and closet ventilation, look for black mould marks on ceilings and behind furniture, and favour units with good airflow or a sunny aspect. Leather, cameras, and stored clothes all suffer without a dry box or a running dehumidifier. For the seasonal timing behind all this, see When does it rain in Taiwan and the overall weather in Taiwan.