Chiayi City Weather & Climate: Best Time to Visit

In Chiayi City, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a very warm 31°C (88°F) in July. In January, the coolest month of the year, temperatures drop to a comfortable 22°C (72°F).

At night, temperatures range from around 24°C (75°F) in July to 13°C (55°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Chiayi City has a notably wet climate with abundant precipitation, recording 2963 mm (117 in) of rainfall per year. Chiayi City can be quite wet during August, receiving approximately 617 mm (24 in) of precipitation over 16 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 63 mm (2.5 in) of precipitation spread across 15 rainy days days. For more details, please visit our Chiayi City Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Chiayi City experiences moderate variation in sunshine hours across the seasons. With 7.0 hours daily sunshine in July, it dips to 5.3 hours in February, offering a balanced mix of sunny and overcast days.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Chiayi City.

The city experiences its highest humidity in July, reaching 89%. In October, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year