Yilan City Weather in January
January in Yilan City brings moderate temperatures, with daytime highs of 18°C (64°F) and nights around 13°C (55°F). It's part of the rainy season, with 199 mm (7.8 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Yilan City in January
As part of the rainy season, Yilan City sees around 20 days of rain in January, with an average of 199 mm (7.8 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Yilan City in January
Temperatures in Yilan City in January top out at 18°C (64°F) and drop to 13°C (55°F) overnight. January is a notable month of the winter season. Conditions are often most pleasant around the middle of the day. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. This month is marked by slightly cooler temperatures, but the climate remains quite pleasant.
Sunshine in Yilan City in January
This month is characterized by fewer sunny days, with about 69 hours of sunshine. It's great for those who appreciate cooler, less sunny days.Should you favor a climate that's both dry and comfortably warm, March typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Taiwan, check out our Yilan City's climate page.
Yilan City Temperature in January
Min Temperature
13°C (55°F)
Max Temperature
18°C (64°F)
Chance of Rain
67%
Precipitation
199 mm (7.8 in)
Rainy days
20 days
Humidity
81%
Sunshine
69 hours
Percentage Sunshine
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Yilan City typically stay consistent throughout January, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 13°C (55°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Yilan City in January
Browse day-by-day weather records for Yilan City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yilan City historical weather extremes in January
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Yilan City.
- The hottest January day on record in Yilan City reached 29°C (84°F) (January 13, 2023).
- The coldest January day was on January 24, 2016, with a maximum of 8°C (46°F).
- The coldest night in January in Yilan City was on January 24, 2016, with a minimum of 4°C (39°F).
Best Places in Taiwan in January
Find out more about the weather in Taiwan and which places have the best travel conditions in this month. See all of Taiwan in January →
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What to Wear in Yilan City in January
Comfortable temperatures call for an easy wardrobe in January. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Yilan City in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Taiwan, check out our Yilan City's climate page.
Temperature Rainfall Sunshine Humidity
See the full Yilan City climate overview or explore weather in Taiwan.
