Yilan, Taiwan Weather

  1. Yilan, Taiwan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Yilan over the next 12 hours
  7. Temperature and possibility of rain in Yilan in the coming days
  8. Rainfall in Yilan in the coming days
  9. Yilan Weather Summary
  10. Weather averages by month
  11. Yilan's weather
  12. Frequently asked questions
  13. Comments
Yilan, Weather
(Photo by Thomas Tucker on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Clear Sky

Pressure: 1,013 hPa

Feel like: 22 °C

Temperature: 20°C

Cloud: 12%

Humidity: 78%

Wind: WSW - 5 km/h

Visibility: 0.98 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:
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
01:00 AM
19° / 27°
19° / 27°
Clear Sky
59% 10 km/h
02:00 AM
20° / 29°
20° / 29°
Clear Sky
59% 15 km/h
03:00 AM
21° / 30°
21° / 30°
Clear Sky
58% 18 km/h
04:00 AM
22° / 30°
22° / 30°
Clear Sky
60% 23 km/h
05:00 AM
22° / 31°
22° / 31°
Clear Sky
60% 24 km/h
06:00 AM
22° / 31°
22° / 31°
Clear Sky
59% 24 km/h
07:00 AM
21° / 30°
21° / 30°
Clear Sky
58% 24 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

Yilan's weather

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:
- Ultra-thin, breathable socks
- Sleeveless tops or vests
- Lightweight, loose-fitting shorts
- Broad-brimmed sun hat

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 530
  • CO 205
  • NH3 0
  • NO2 7
  • O3 58
  • PM10 18
  • PM25 13
  • SO2 3
  • CH4 1,424

Sunrise / Sunset

21:40
09:53