Weather in Kosai in December
Kosai, Japan averages a high of 11.4°C (52.5°F) and low of 3.9°C (39°F) in December, with 6 rain days and 8 hours of daily sunshine. Travel score: 66.1/100 (Good). The best time to visit Kosai is May.
High
11°C53°F
Low
4°C39°F
🌧️
6
rain days
☀️
8
hrs/day sunshine
💧
69%
humidity
66— Good
December in Kosai is cool and mostly dry — good for most activities.
What are the average temperatures in Kosai?
How much does it rain in Kosai in December?
Kosai receives an average of 64.6mm of rainfall across 6 rainy days in December. The annual total is 1872.1mm.
What should I pack for Kosai in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 11°C
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Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 4°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting Japan in December?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31