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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Joetsu's climate page.
Joetsu Temperature in January
Min Temperature
-1°C (30°F)
Max Temperature
6°C (43°F)
Chance of Rain
93%
Precipitation
257 mm (10 in)
Rainy days
28 days
Humidity
78%
Sunshine
67 hours
Percentage Sunshine
Best Places in Japan in January
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Joetsu in January
Dress warmly and in layers for your trip to Joetsu in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Joetsu 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 Japan, check out our Joetsu's climate page.
Temperature Rainfall Sunshine Humidity
See the full Joetsu climate overview or explore weather in Japan.
