Weather in Nagano in December
Nagano, Japan averages a high of 5.8°C (42.4°F) and low of -2.3°C (27.9°F) in December, with 18 rain days and 7.3 hours of daily sunshine. Travel score: 39.8/100 (Poor). The best time to visit Nagano is May.
High
6°C42°F
Low
-2°C28°F
🌧️
18
rain days
☀️
7.3
hrs/day sunshine
💧
80%
humidity
40— Poor
December in Nagano is cold and rainy — challenging weather conditions.
What are the average temperatures in Nagano?
How much does it rain in Nagano in December?
Nagano receives an average of 123.2mm of rainfall across 18 rainy days in December. The annual total is 1665.9mm.
What should I pack for Nagano in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 6°C
🧶
Sweaters and warm layers
Layer up for comfort
🧥
Waterproof jacket
Frequent rain expected (18 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
🎉Visiting Japan in December?
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Data based on 1994–2024 averages · Last updated: 2024-12-31