Weather in Shiojiri in December
Shiojiri, Japan averages a high of 5.9°C (42.6°F) and low of -3.4°C (25.9°F) in December, with 10 rain days and 7.9 hours of daily sunshine. Travel score: 52.8/100 (Mixed). The best time to visit Shiojiri is August.
High
6°C43°F
Low
-3°C26°F
🌧️
10
rain days
☀️
7.9
hrs/day sunshine
💧
72%
humidity
53— Mixed
December in Shiojiri is cold and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Shiojiri?
How much does it rain in Shiojiri in December?
Shiojiri receives an average of 74.4mm of rainfall across 10 rainy days in December. The annual total is 1477.3mm.
What should I pack for Shiojiri 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
🧤
Warm gloves
Cold nights around -3°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