Climate Overview
The climate in Kaohsiung is warm and mild. The average annual temperature is 25°C and approximately 1862mm of precipitation falls per year. August is the wettest month, receiving around 451mm of rainfall. Kaohsiung 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.
Temperature
Kaohsiung sees moderate temperature variation throughout the year, ranging from 17°C to 30°C. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 17°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between November and December, with a 3°C shift in average temperatures.
Precipitation
Kaohsiung is a fairly wet location, receiving approximately 1862mm of precipitation annually, which averages out to around 155mm per month. The wettest month is August, averaging 451mm of rainfall. July and June also tend to see above-average precipitation. The driest month is February, with just 18mm. That's 433mm 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.
Wind
Kaohsiung is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 12km/h in winter, 14km/h in spring, 15km/h in summer, 11km/h in autumn.
Seasons
90 days until Summer
It is currently spring in Kaohsiung, which began on March 20, 2026. Kaohsiung 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 30°C, while the coldest stretch bottoms out in January near 17°C. Summer is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 20 to 29°C. Precipitation is moderate at around 296mm for the season, averaging 99mm per month. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 1020mm across the season with a monthly average of 340mm. Winds are moderate at around 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 459mm across the season with a monthly average of 153mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 17 to 24°C. Rainfall is relatively light, with around 87mm over the season and a monthly average of 29mm. Winds are generally light, averaging 12km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Kaohsiung 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 32mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 30°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Kaohsiung 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.