One of the most beautiful areas of Taiwan
Taroko National Park in Taiwan is a must see! Expect fantastic gorges, marble cliffs, waterfalls and an abundance of hiking trails.
This page shows both the average monthly rainfall and the number of rainy days in Tainan - Guantian District, Tainan City, Taiwan. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.
Tainan - Guantian District has a notably wet climate with abundant precipitation, recording 2374 mm (93 in) of rainfall per year. It does, however, have a distinct rainy season during certain months. Have a look at our detailed charts below to see how precipitation varies throughout the year.
Tainan - Guantian District can be quite wet during August, receiving approximately 468 mm (18 in) of precipitation over 17 rainy days.
In contrast November, experiences much drier conditions, with 54 mm (2.1 in) of rainfall, spread across 14 rainy days.
August, the wettest month, has a maximum daytime temperature of 32°C (90°F). The city receives 189 hours of sunshine in this period. During the driest month November you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our Tainan - Guantian District Temperature page.
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Browse day-by-day precipitation records for Tainan - Guantian District spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
The map below shows the annual precipitation across Taiwan. You can also select the different months in case you are interested in a specific month.
Tainan - Guantian District's average annual precipitation is 2374 mm (93 in). Let's compare this to some popular worldwide tourist destinations:
The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.
In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
Precipitation has a very strong role in determining the local climate and ecosystem:
For more detailed information about Tainan - Guantian District's weather, including sunshine hours, humidity levels, and temperature data, visit our Tainan - Guantian District Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Tainan - Guantian District - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full Tainan - Guantian District climate overview or explore weather in Taiwan.
Where to go in October - average daytime high across popular destinations.
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