Yilan, Taiwan Weather

Yilan,  Weather
(Photo by Thomas Tucker on Unsplash)

Current conditions

Updated:
27°C
80.6°F
°C °F

Condition: Clear Sky

Pressure: 1,014 hPa

Feel like: 31 °C

Temperature: 27°C

Cloud: 2%

Humidity: 65%

Wind: WSW - 3 km/h

Visibility: 28.78 km

Weather forecast

Mon
21 Sep
21°C / 27°C
Drizzle
Tue
22 Sep
20°C / 28°C
Drizzle
Wed
23 Sep
20°C / 28°C
Moderate Drizzle
Thu
24 Sep
22°C / 29°C
Drizzle
Fri
25 Sep
21°C / 29°C
Drizzle
Hourly forecast today:
00:00 AM
20° / 27°
20° / 27°
Clear Sky
65% 13 km/h
01:00 AM
21° / 29°
21° / 29°
Mainly Clear
60% 11 km/h
02:00 AM
21° / 31°
21° / 31°
Mainly Clear
57% 17 km/h
03:00 AM
21° / 32°
21° / 32°
Mainly Clear
53% 21 km/h
04:00 AM
21° / 32°
21° / 32°
Mainly Clear
52% 25 km/h
05:00 AM
21° / 31°
21° / 31°
Clear Sky
54% 29 km/h
06:00 AM
21° / 31°
21° / 31°
Clear Sky
55% 30 km/h
07:00 AM
20° / 30°
20° / 30°
Clear Sky
56% 29 km/h
08:00 AM
20° / 29°
20° / 29°
Clear Sky
59% 25 km/h
09:00 AM
21° / 28°
21° / 28°
Clear Sky
65% 19 km/h
10:00 AM
22° / 26°
22° / 26°
Clear Sky
78% 14 km/h

30 Day Averages and Extremes

  • Average high 28.97°C
  • Average low 21.4°C
  • Hottest day 33°C (26 September 2026)
  • Coldest day 16°C (03 October 2026)
  • Average humidity 79.0%
  • Days with precipitation 28 days
  • Highest precipitation 91 mm (14 September 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 21°C
  • Total Precipitation: 0 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:
- Ultra-thin, breathable socks
- Sleeveless tops or vests
- Airy sandals or flip-flops
- Broad-brimmed sun hat

Temperature

Early
21°C / 32°C
Morning
21°C / 28°C
Afternoon
21°C / 23°C
Evening
18°C / 20°C

Air quality

Moderate

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

  • CO2 453
  • CO 197
  • NH3 0
  • NO2 10
  • O3 87
  • PM10 13
  • PM25 10
  • SO2 11
  • CH4 1,394

Sunrise / Sunset

21:41
09:51