Yilan, Taiwan Weather

Yilan,  Weather
(Photo by Thomas Tucker on Unsplash)

Current conditions

Updated:
22°C
71.6°F
°C °F

Condition: Partly Cloudy

Pressure: 1,014 hPa

Feel like: 25 °C

Temperature: 22°C

Cloud: 66%

Humidity: 89%

Wind: WSW - 8 km/h

Visibility: 3.98 km

Weather forecast

Sat
19 Sep
21°C / 30°C
Moderate Drizzle
Sun
20 Sep
20°C / 30°C
Mainly Clear
Mon
21 Sep
20°C / 28°C
Overcast
Tue
22 Sep
21°C / 28°C
Moderate Drizzle
Wed
23 Sep
23°C / 26°C
Moderate Drizzle
Hourly forecast today:
14:00 PM
21° / 22°
21° / 22°
Partly Cloudy
89% 16 km/h
15:00 PM
20° / 22°
20° / 22°
Mainly Clear
91% 16 km/h
16:00 PM
20° / 21°
20° / 21°
Mainly Clear
92% 15 km/h
17:00 PM
19° / 21°
19° / 21°
Mainly Clear
92% 12 km/h
18:00 PM
19° / 20°
19° / 20°
Clear Sky
91% 11 km/h
19:00 PM
18° / 20°
18° / 20°
Clear Sky
89% 9 km/h
20:00 PM
18° / 20°
18° / 20°
Clear Sky
85% 7 km/h
21:00 PM
16° / 20°
16° / 20°
Clear Sky
78% 10 km/h
22:00 PM
15° / 20°
15° / 20°
Clear Sky
72% 11 km/h
23:00 PM
16° / 23°
16° / 23°
Clear Sky
64% 11 km/h
00:00 AM
17° / 26°
17° / 26°
Clear Sky
59% 10 km/h

30 Day Averages and Extremes

  • Average high 29.0°C
  • Average low 21.9°C
  • Hottest day 32°C (04 September 2026)
  • Coldest day 19°C (07 September 2026)
  • Average humidity 80.5%
  • Days with precipitation 29 days
  • Highest precipitation 91 mm (14 September 2026)

Yesterday's Data

  • Max: 27°C
  • Min: 22°C
  • Total Precipitation: 6 mm

Temperature and possibility of rain in Yilan over the next 12 hours

Temperature and possibility of rain in Yilan in the coming days

Rainfall in Yilan in the coming days

Yilan Climate Summary

Yilan features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 22.69ºC (72.84ºF), which is about -1.74% lower than the national average for Taiwan. Annually, the city experiences approximately 283.2 millimeters (11.15 inches) of rainfall, spread across 280.08 rainy days, accounting for 76.73% of the year.

Longitude 24.7021073
Latitude 121.7377502
Yearly high temperature 24.06ºC (75.31ºF)
Yearly low temperature 19.8ºC (67.64ºF)
Hottest month August 30.31ºC (86.56ºF)
Coldest month January 14.02ºC (57.24ºF)
Yearly precip 283.2mm (11.15in)
Days with rainfall 280.08 days (76.73%)
Driest month February (82.67%)
Wettest month August (76.4%)

Weather averages by month

Month High / Low (°C) Rain
January 17.33° / 14.02° 22.73 days
February 18.35° / 14.39° 20.09 days
March 19.97° / 15.19° 20.91 days
April 22.99° / 17.52° 21.27 days
May 26.1° / 20.95° 27.27 days
June 28.91° / 23.63° 26.73 days
July 30.43° / 24.88° 23.18 days
August 30.31° / 25.39° 23.82 days
September 28.39° / 24.48° 22.91 days
October 24.81° / 21.9° 24.45 days
November 22.57° / 19.68° 23.45 days
December 18.57° / 15.59° 23.27 days

Frequently asked questions

1. What is the hottest month in Yilan?

August has the highest average monthly temperature (daily mean of 30.31ºC) and January are the coolest (daily mean of 14.02ºC).

2. What should I wear in Yilan today?

For today's very hot weather in Yilan, with the high temperatures above 31ºC (87.8ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Lightweight, loose-fitting shorts
- Airy sandals or flip-flops
- Light, natural fabrics (like cotton or linen)

Temperature

Early
22°C / 27°C
Morning
21°C / 25°C
Afternoon
20°C / 22°C
Evening
16°C / 20°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 470
  • CO 374
  • NH3 0
  • NO2 23
  • O3 52
  • PM10 24
  • PM25 18
  • SO2 5
  • CH4 1,418

Sunrise / Sunset

21:40
09:53