Climate averages 1991–2020
Chiayi City weather
in July.
A hot, very wet month: the warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Chiayi City: daytime highs average 29.5°C and nights cool to about 23.4°C. By daytime temperature it is the warmest month of the year.
Expect about 555 mm of rain on roughly 27 days, which makes July a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 26 min on an average July day.
The nearest other city in this atlas is Xinying (24 km away). In July its highs average 30.3°C, 0.8°C warmer than Chiayi City, with 306 mm of rain.
Among the 28 cities listed in Taiwan, Chiayi City ranks joint 21st of 28 for the warmest July highs and 28th of 28 for the driest July (rainfall, lowest first). The mean July high of those 28 cities is 30.1°C; Chiayi City is 0.7°C cooler than that mean.
From July to August, average highs fall by 0.5°C to 29.0°C, and monthly rainfall rises from 555 mm to 667 mm.
The annual picture
July 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, selected | 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 | 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
July in nearby cities
- Xinying in JulyTaiwan · 24 kmHigh 30.3°C · Low 24.6°C · 306 mm rain
- Douliu in JulyTaiwan · 27 kmHigh 29.5°C · Low 23.3°C · 359 mm rain
- Nantou, Taiwan in JulyTaiwan · 53 kmHigh 28.1°C · Low 21.7°C · 309 mm rain
- Yongkang in JulyTaiwan · 54 kmHigh 30.3°C · Low 24.8°C · 305 mm rain
- Yuanlin in JulyTaiwan · 55 kmHigh 30.1°C · Low 23.9°C · 230 mm rain
- Tainan in JulyTaiwan · 60 kmHigh 30.3°C · Low 25.7°C · 305 mm rain
- Caotun in JulyTaiwan · 60 kmHigh 29.1°C · Low 22.8°C · 309 mm rain
- Chang-hua in JulyTaiwan · 67 kmHigh 30.2°C · Low 24.4°C · 230 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.