Chiayi City Temperature by Month
The average annual maximum temperature in Chiayi City, Chiayi County, Taiwan is 27°C (81°F), with daytime highs ranging from 22°C (72°F) in January to 31°C (88°F) in July. This page covers monthly averages, day-night differences, and how Chiayi City compares to cities worldwide.
Chiayi City Monthly Temperatures
The weather in Chiayi City changes moderately throughout the year, offering enough variation to appreciate each season. Nights are cooler, with lows ranging from 24°C (75°F) to 13°C (55°F).
The chart below illustrates the average maximum day and minimum night temperatures in Chiayi City by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. July, the city's warmest month, sees 210 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Chiayi City vs Taiwan
The map below shows the annual temperature across Taiwan. You can also select individual months if you want to compare a specific time of year.
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Chiayi City vs World: Temperature Compared
Chiayi City's average annual maximum temperature is 27°C (81°F). To put that in context, here's how it compares to a few well-known destinations:
Barcelona, Spain has an annual average of around 21°C (70°F), with warm summers and mild, fairly short winters.
Queenstown, New Zealand averages 10°C (50°F) annually — remember seasons are flipped, so its coldest months fall in June and July.
Beijing, China averages 20°C (68°F) annually, but with big seasonal swings — very cold winters and hot summers.
Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.
What Does the Temperature Feel Like in Chiayi City?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Chiayi City, January is the coolest month, with average highs of 22°C (72°F) and humidity around 76% — considered high. In July, the warmest month, temperatures average 31°C (88°F) with 89% humidity — conditions that feel very high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round — large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.
For more on Chiayi City's weather — including monthly rainfall, sunshine hours, and humidity — visit our Chiayi City climate page.
