Nantou

Planning a trip to Nantou or already here? In this section, you'll find the latest weather information, including current data and forecasts to help you plan your day.

The climate in Nantou can be described as subtropical, with warm weather throughout most of the year. Average annual temperatures range from a pleasant 17-18°C in the winter months to a hot 26-27°C during the summer. Winter lows rarely drop below 13°C, while summer highs can reach 30°C, making the weather generally warm and occasionally hot.

Nantou experiences fairly distinct seasons. Winter (from December to February) is mild and is the driest period of the year, with average temperatures around 17-18°C and minimal rainfall. Spring (from March to May) brings gradual warming, and by May, the average temperature reaches 25°C, while the amount of rainfall and the number of rainy days begin to increase. Summer (from June to August) is the hottest and most humid period, characterized by the rainy season. This is when the heaviest rainfall occurs, and the number of rainy days peaks, especially in August. Autumn (from September to November) offers a welcome decrease in humidity and comfortable temperatures, gradually transitioning to cooler and drier weather, particularly in November.

The climate in Nantou is characterized by warmth throughout the year, but with distinct seasonal temperature fluctuations. July is traditionally the hottest month, with an average temperature of 27.1°C. During this period, daytime highs often reach 30.1°C, while nighttime temperatures stay around 24.2°C. January is considered the coolest month, with the average temperature dropping to 17.1°C; daytime highs average 20.3°C, while nighttime lows can reach 13.8°C.

The summer period in Nantou, spanning from June to August, is marked by fairly hot and, given the high number of rainy days, humid weather. Average maximum temperatures during these months consistently exceed 29°C, and minimum nighttime temperatures rarely drop below 23°C. Winter, lasting from December to February, is mild and relatively warm in Nantou. Daytime temperatures in the winter months usually range between 20-22°C, dropping to a pleasant 13-16°C at night. There are no significant diurnal temperature fluctuations throughout the year: the difference between daytime highs and nighttime lows is usually about 6-7°C, ensuring a fairly consistent temperature profile.

The city of Nantou has a fairly clear division between wet and dry seasons, which influences the nature and amount of precipitation. Understanding these climatic features will help you plan your trip better.

The wet season in Nantou typically falls between May and September. During this time, rainfall increases significantly. The peak of the rains occurs in the summer months: June and August are the wettest, with average precipitation around 10 mm each. August also stands out with the highest number of rainy days—averaging 27 days. July follows with 24 rainy days and 8 mm of precipitation. During this period, rain is frequent and can be quite intense, typical of the summer season in the region.

The dry season spans from November to April. The lowest rainfall occurs in November—only 1 mm, with about 9 rainy days. Winter months like January and February are also relatively dry, averaging 2 mm of precipitation and about 8 rainy days. During this period, rainfall is generally less heavy and less frequent than in the wet season. March and April are transitional months when the amount of precipitation and the number of rainy days gradually begin to increase.

When planning a trip to Nantou between December and February, be prepared for mild but changeable weather. Average daytime temperatures hover around 17-19°C, though mornings and evenings can be noticeably cooler, dropping to 13-15°C. For a comfortable stay, pack a light jacket or fleece, T-shirts (including long-sleeved options), and comfortable trousers. Although total rainfall is low during these months, rain is possible on about 8-9 days per month, so a compact umbrella or a light waterproof windbreaker will be useful additions to your luggage.

From May to September, Nantou greets visitors with hot and very humid weather. Temperatures average 25-27°C, with daytime highs often reaching 30°C. This period also sees the most rainfall: rain is frequent and can be intense, especially from June to August, when the number of rainy days can exceed 20-25 per month. Therefore, be sure to pack lightweight, breathable clothing made from natural fabrics, a hat for sun protection, and a reliable umbrella or raincoat. Waterproof or quick-drying shoes will also come in very handy.

Regardless of the season, you'll need comfortable walking shoes for your trip to Nantou, as the region is rich in interesting sights. Sunscreen is a must even on cloudy days, and insect repellent is useful, especially during the humid season and when visiting nature parks. Stick to the principle of layering your clothes: this will allow you to easily adapt to any weather whims throughout the day and stay comfortable.