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Yilan

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Yilan Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Yilan year round climate

  • Spring (March–May): Average 65–74°F, warm and comfortable climate, low rainfall, abundant sunshine. Common activities: flower viewing, hiking, cycling. Recommended clothing: light jacket, long-sleeved shirt, comfortable and breathable pants.
  • Summer (June–August): Average 79–82°F, hot and humid, occasional showers. Common activities: swimming, beach activities, enjoying ice cream. Recommended clothing: light and breathable clothing, sun protection clothing, sun hat.
  • Autumn (September–November): Average 69–80°F, pleasant climate, more rainfall in October. Common activities: maple viewing, mountain hiking, hot spring bathing. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 59–63°F, lower temperatures, little rain and dry. Common activities: hot spring bathing, indoor activities, enjoying hot food. Recommended clothing: warm jacket, sweater, long pants.

Yilan climatological average

Annual average temperature: approx. 72.3°F / Annual rainfall: approx. 88 mm / Summer humidity: 60%–70% / Rainiest month: October

Yilan monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
59.5°F
0.9
February
63.1°F
2
March
65.1°F
1.3
April
74.5°F
4.2
May
74.3°F
5.9
June
79.9°F
7.4
July
82.8°F
15.1
August
82.4°F
6.3
September
80.8°F
8.9
October
75.4°F
23.4
November
69.3°F
8.8
December
60.6°F
4.3

Yilan weather for the next seven days

12/16
Tuesday
Patchy rain nearby
72.7°F/53.7°F
12/17
Wednesday
Moderate rain
73°F/60.9°F
12/18
Thursday
Heavy rain
65.2°F/63.6°F
12/19
Friday
Patchy rain nearby
74°F/59.4°F
12/20
Saturday
Patchy rain nearby
75.8°F/63.8°F
12/21
Sunday
Patchy rain nearby
77.9°F/58.9°F
12/22
Monday
Patchy rain nearby
54.1°F/50.7°F