Joetsu Weather in January

Joetsu in January averages 6°C (43°F) during the day and -1°C (30°F) at night. This is the wettest month of the year, and part of the winter season.

Rainfall in Joetsu in January

As part of the rainy season, Joetsu sees around 28 days of rain in January, with an average of 257 mm (10 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Joetsu in January

Expect highs of 6°C (43°F) in Joetsu in January, with nights dropping to around -1°C (30°F). Experience the winter season in January. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights are well below freezing at -1°C (30°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. Typically, it's the chilliest month of the year. Ensure you're prepared by packing appropriate winter gear.

Sunshine in Joetsu in January

This month is characterized by fewer sunny days, with about 67 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Joetsu. Our weather planner can help you explore destinations with more pleasant weather conditions.