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.
Average temperatures, rainfall, sunshine and the best time to visit Sanyi.
The climate in Sanyi, Miaoli County, Taiwan, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in July to 20°C (68°F) in January.
With around 2071 mm (82 in) of annual rainfall, Sanyi has a notably wet climate. However, this rainfall is not evenly distributed, the city has a distinct rainy season from May to September, with very warm summers and pleasant winters. The wettest month is August. The sunniest month is July, with 7.0 hours of sunshine per day on average.
Pick a month to see the average temperature, rainfall and sunshine in Sanyi - and find the best time to visit.
In Sanyi, temperatures differ significantly between summer and winter months. 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 pleasant 20°C (68°F).
At night, temperatures range from around 25°C (77°F) in July to 13°C (55°F) in January.
Check out our detailed temperature page for more information.
Sanyi experiences significant rainfall throughout the year, averaging 2071 mm (82 in) of precipitation annually. Sanyi can be quite wet during August, receiving approximately 385 mm (15 in) of precipitation over 16 rainy days.
In contrast, during the driest month (November), you will experience much drier conditions, with 53 mm (2.1 in) of precipitation spread across 14 rainy days. For more details, please visit our Sanyi Precipitation page.
Sanyi experiences moderate variation in sunshine hours across the seasons. With 7.0 hours daily sunshine in July, it dips to 4.5 hours in February, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
The relative humidity is high throughout the year in Sanyi.
The city experiences its highest humidity in June, reaching 80%. In October, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
January, October, November and December typically offer the most optimal weather in Sanyi. In contrast, June, July, August and September tend to have less optimal conditions. Sanyi has a distinct rainy season from May to September, with very warm summers and pleasant winters.
Daytime highs range from 20°C (68°F) in January to 31°C (88°F) in July. Nighttime lows range from 13°C (55°F) to 25°C (77°F). Temperatures vary considerably through the year.
Annual rainfall is around 2071 mm (82 in). August is the wettest month with 385 mm (15 in), while November is the driest with 53 mm (2.1 in).
Sanyi receives around 2,078 hours of sunshine per year. July is the sunniest month with 210 hours, while February is the cloudiest with just 134 hours. Overall, Sanyi enjoys abundant sunshine.
Sanyi is highlighted - select any city to see its climate.
Where to go in October - average daytime high across popular destinations.
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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.
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