Weather in Jōetsu in December
Jōetsu, Japan averages a high of 7.7°C (45.9°F) and low of 1.5°C (34.7°F) in December, with 23 rain days and 6.4 hours of daily sunshine. Travel score: 38.7/100 (Poor). The best time to visit Jōetsu is June.
High
8°C46°F
Low
2°C35°F
🌧️
23
rain days
☀️
6.4
hrs/day sunshine
💧
83%
humidity
39— Poor
December in Jōetsu is cold and very rainy — monsoon season — not ideal for outdoor sightseeing.
What are the average temperatures in Jōetsu?
How much does it rain in Jōetsu in December?
Jōetsu receives an average of 260.7mm of rainfall across 23 rainy days in December. The annual total is 2228mm.
What should I pack for Jōetsu in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 8°C
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Sweaters and warm layers
Layer up for comfort
🧥
Waterproof jacket
Frequent rain expected (23 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧤
Warm gloves
Cold nights around 2°C
🧣
Warm scarf
Protect against cold winds
Traveling to Japan in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31