Best Time to Visit Yilan City, Yilan, Taiwan
Month-by-month climate guide for planning a trip to Yilan City.
Yilan City does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (July, 28.5°C / 83.3°F) and driest (January, 163 mm / 6.4 in) months. The drier stretch runs through July and November–April; the wetter half falls in May–June and August–October. At the city itself, monthly average temperatures range from 16.1°C / 61°F in January to 28.5°C / 83.3°F in July, with rainfall from 163 mm / 6.4 in (January) to 377 mm / 14.8 in (September). These are point-value climate normals sampled at Yilan City, Yilan, Taiwan's coordinates — usually more actionable for travellers than the country-wide average. Yilan City's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| April | 21.7°C71.1°F | 172 mm6.8″ | — |
| December | 17.5°C63.5°F | 167 mm6.6″ | — |
| January | 16.1°C61°F | 163 mm6.4″ | — |
No month at Yilan City matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Yilan City?
Yilan City doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on January (driest, ~163 mm / 6.4 in) and July (warmest, 28.5°C / 83.3°F). Because these are point values at the city, they can differ substantially from Taiwan's national average.
When is the rainy season in Yilan City?
The rainy season at Yilan City, Yilan runs through May–June and August–October, when monthly rainfall exceeds the annual median of about 259 mm / 10.2 in. The wettest single month is September (377 mm / 14.8 in).
What is the driest month in Yilan City?
The driest month in Yilan City is January, averaging about 163 mm / 6.4 in of rainfall. Temperature that month averages 16.1°C / 61°F.
What months should I avoid visiting Yilan City?
The least comfortable months for travel to Yilan City — based on point-value climate at the city — are January, February, March, August, September, October, December. These are the wettest or coolest months at this location. Rainfall peaks at 377 mm / 14.8 in in September, and the coldest month averages 16.1°C / 61°F.
Is Yilan City climate different from Taiwan overall?
Yes, usually. Our Yilan City figures are point-value climate normals sampled at the city itself, while our Taiwan figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Yilan City specifically — usually the more actionable data for a traveller planning to spend time in the city.