Yilan, Taiwan Weather

Yilan,  Weather
(Photo by Thomas Tucker on Unsplash)

Current conditions

Updated:
16°C
60.8°F
°C °F

Condition: Overcast

Pressure: 1,020 hPa

Feel like: 17 °C

Temperature: 16°C

Cloud: 100%

Humidity: 95%

Wind: ESE - 4 km/h

Visibility: 20.82 km

Weather forecast

Tue
09 Dec
15°C / 20°C
Fog
Wed
10 Dec
15°C / 20°C
Overcast
Thu
11 Dec
16°C / 18°C
Fog
Fri
12 Dec
16°C / 20°C
Fog
Sat
13 Dec
12°C / 18°C
Slight Rain
Hourly forecast today:
17:00 PM
15° / 16°
15° / 16°
Overcast
95% 11 km/h
18:00 PM
15° / 16°
15° / 16°
Overcast
93% 14 km/h
19:00 PM
15° / 16°
15° / 16°
Overcast
93% 16 km/h
20:00 PM
15° / 16°
15° / 16°
Overcast
94% 16 km/h
21:00 PM
15° / 16°
15° / 16°
Overcast
94% 18 km/h
22:00 PM
15° / 16°
15° / 16°
Overcast
93% 20 km/h
23:00 PM
15° / 16°
15° / 16°
Overcast
93% 22 km/h
00:00 AM
15° / 17°
15° / 17°
Overcast
93% 23 km/h
01:00 AM
15° / 17°
15° / 17°
Overcast
92% 28 km/h
02:00 AM
16° / 17°
16° / 17°
Overcast
94% 28 km/h
03:00 AM
16° / 17°
16° / 17°
Overcast
95% 25 km/h

30 Day Averages and Extremes

  • Average high 19.4°C
  • Average low 14.7°C
  • Hottest day 24°C (18 December 2025)
  • Coldest day 10°C (14 December 2025)
  • Average humidity 84.13%
  • Days with precipitation 23 days
  • Highest precipitation 60 mm (02 December 2025)

Yesterday's Data

  • Max: 20°C
  • Min: 14°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 mild weather in Yilan, with temperatures between 14ºC to 17ºC (57.2ºF to 62.6ºF), consider wearing:
- Cotton socks
- Casual sneakers or loafers
- Light jacket (for cooler periods)
- Sun hat (if spending time outdoors)

Temperature

Early
15°C / 20°C
Morning
15°C / 17°C
Afternoon
15°C / 16°C
Evening
15°C / 16°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 451
  • CO 188
  • NH3 0
  • NO2 6
  • O3 75
  • PM10 8
  • PM25 6
  • SO2 2
  • CH4 1,403

Sunrise / Sunset

22:26
09:04