Climate Insights for Tainan Airport

The climate in Tainan Airport is warm and mild. The average annual temperature is 25°C and approximately 2152mm of precipitation falls per year. Tainan Airport receives a notable amount of rainfall throughout the year, including during its driest month. Tainan Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, September. The coldest months are January, February, December, when temperatures can drop to 17°C.

Tainan Airport sees moderate temperature variation throughout the year, ranging from 17°C to 31°C. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 17°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between November and December, with a 3°C shift in average temperatures.

Tainan Airport is a very wet location, receiving approximately 2152mm of precipitation annually, which averages out to around 179mm per month. The wettest month is August, averaging 484mm of rainfall. June and May also tend to see above-average precipitation. The driest month is February, with just 39mm. That's 445mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Tainan Airport is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 5km/h in winter, 3km/h in spring, 3km/h in summer, 4km/h in autumn.

It is currently spring in Tainan Airport, which began on March 20, 2026. Tainan Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 31°C, while the coldest stretch bottoms out in January near 17°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Tainan Airport is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 60mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 31°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Tainan Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.