Climate averages 1991–2020
Yilan, Taiwan weather
in August.
A hot, very wet month: the 2nd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Yilan, Taiwan: daytime highs average 29.7°C and nights cool to about 25.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 329 mm of rain on roughly 23 days, which makes August a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average August day.
The nearest other city in this atlas is Neihu (40 km away). In August its highs average 30.4°C, 0.7°C warmer than Yilan, Taiwan, with 302 mm of rain.
Among the 28 cities listed in Taiwan, Yilan, Taiwan ranks joint 11th of 28 for the warmest August highs and joint 16th of 28 for the driest August (rainfall, lowest first). The mean August high of those 28 cities is 29.6°C; Yilan, Taiwan is 0.2°C warmer than that mean.
From August to September, average highs fall by 1.9°C to 27.8°C, and monthly rainfall rises from 329 mm to 336 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Yilan, Taiwan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.5°C13.4°C | 13.4°C | 190 | 22.0 | 10.811 h |
| February | 18.3°C13.6°C | 13.6°C | 165 | 19.9 | 11.311 h |
| March | 20.6°C15.1°C | 15.1°C | 151 | 19.9 | 12.012 h |
| April | 23.6°C18.0°C | 18.0°C | 185 | 20.7 | 12.713 h |
| May | 26.4°C21.4°C | 21.4°C | 297 | 25.2 | 13.313 h |
| June | 28.8°C24.2°C | 24.2°C | 319 | 25.3 | 13.614 h |
| July | 30.1°C25.5°C | 25.5°C | 271 | 22.3 | 13.514 h |
| August, selected | 29.7°C25.4°C | 25.4°C | 329 | 22.9 | 13.013 h |
| September | 27.8°C23.7°C | 23.7°C | 336 | 20.5 | 12.312 h |
| October | 24.7°C21.1°C | 21.1°C | 394 | 21.6 | 11.612 h |
| November | 22.1°C18.5°C | 18.5°C | 336 | 21.0 | 11.011 h |
| December | 18.8°C15.1°C | 15.1°C | 243 | 21.7 | 10.611 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Neihu in AugustTaiwan · 40 kmHigh 30.4°C · Low 26.2°C · 302 mm rain
- Taipei in AugustTaiwan · 40 kmHigh 30.6°C · Low 25.9°C · 302 mm rain
- Banqiao in AugustTaiwan · 41 kmHigh 30.5°C · Low 25.2°C · 302 mm rain
- Keelung in AugustTaiwan · 42 kmHigh 30.1°C · Low 26.6°C · 171 mm rain
- Shulin in AugustTaiwan · 42 kmHigh 30.2°C · Low 24.8°C · 302 mm rain
- Sanxia in AugustTaiwan · 43 kmHigh 31.0°C · Low 25.1°C · 225 mm rain
- Bade in AugustTaiwan · 51 kmHigh 30.0°C · Low 24.2°C · 225 mm rain
- Taoyuan in AugustTaiwan · 53 kmHigh 29.6°C · Low 24.7°C · 225 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Yilan) is explained once on the Yilan, Taiwan year overview and on the Sources, method and limits page.