Climate averages 1991–2020
Chiayi City weather
in October.
A warm, very wet month: the 6th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Chiayi City: daytime highs average 27.0°C and nights cool to about 20.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 207 mm of rain on roughly 19 days, which makes October a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 37 min on an average October day.
The nearest other city in this atlas is Xinying (24 km away). In October its highs average 28.1°C, 1.1°C warmer than Chiayi City, with 50 mm of rain.
Among the 28 cities listed in Taiwan, Chiayi City ranks joint 7th of 28 for the warmest October highs and 21st of 28 for the driest October (rainfall, lowest first). The mean October high of those 28 cities is 26.2°C; Chiayi City is 0.8°C warmer than that mean.
From October to November, average highs fall by 2.0°C to 25.0°C, and monthly rainfall falls from 207 mm to 81 mm.
The annual picture
October 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
Chiayi City climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.2°C11.9°C | 11.9°C | 53 | 10.1 | 10.911 h |
| February | 21.3°C12.9°C | 12.9°C | 62 | 11.6 | 11.411 h |
| March | 23.7°C15.3°C | 15.3°C | 85 | 13.3 | 12.012 h |
| April | 26.1°C18.4°C | 18.4°C | 144 | 16.0 | 12.713 h |
| May | 28.0°C21.1°C | 21.1°C | 270 | 22.1 | 13.313 h |
| June | 29.0°C22.8°C | 22.8°C | 365 | 24.2 | 13.614 h |
| July | 29.5°C23.4°C | 23.4°C | 555 | 26.7 | 13.413 h |
| August | 29.0°C23.3°C | 23.3°C | 667 | 28.4 | 12.913 h |
| September | 28.5°C22.3°C | 22.3°C | 436 | 23.9 | 12.312 h |
| October, selected | 27.0°C20.2°C | 20.2°C | 207 | 18.6 | 11.612 h |
| November | 25.0°C17.4°C | 17.4°C | 81 | 12.0 | 11.011 h |
| December | 21.5°C13.7°C | 13.7°C | 60 | 10.7 | 10.711 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
October in nearby cities
- Xinying in OctoberTaiwan · 24 kmHigh 28.1°C · Low 21.6°C · 50 mm rain
- Douliu in OctoberTaiwan · 27 kmHigh 27.0°C · Low 20.4°C · 120 mm rain
- Nantou, Taiwan in OctoberTaiwan · 53 kmHigh 25.8°C · Low 19.6°C · 92 mm rain
- Yongkang in OctoberTaiwan · 54 kmHigh 28.1°C · Low 22.1°C · 54 mm rain
- Yuanlin in OctoberTaiwan · 55 kmHigh 27.7°C · Low 21.3°C · 55 mm rain
- Tainan in OctoberTaiwan · 60 kmHigh 28.0°C · Low 23.0°C · 54 mm rain
- Caotun in OctoberTaiwan · 60 kmHigh 26.9°C · Low 20.2°C · 92 mm rain
- Chang-hua in OctoberTaiwan · 67 kmHigh 27.6°C · Low 21.8°C · 55 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 Chiayi City) is explained once on the Chiayi City year overview and on the Sources, method and limits page.