Sanyi Weather & Climate: Best Time to Visit
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. The wettest month is August. The sunniest month is July, with 7.0 hours of sunshine per day on average.
Monthly Temperature in Sanyi
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.
Temperature ranges by month
Rainfall in Sanyi
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 days. For more details, please visit our Sanyi Precipitation page.The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Sanyi
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.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Sanyi by Month
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.
Relative humidity over the year
Sanyi 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Sanyi
The best time to visit Sanyi is during January, February, March, October, November and December, when the weather provides comfortable temperatures between 20°C (68°F) and 28°C (82°F). With rainfall of 53 mm (2.1 in) to 137 mm (5.4 in), you can expect pleasant weather during your visit in these months.Be prepared for heavier rainfall during May, June, July, August and September, the wettest period of the year. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
