Weather in Isahaya in December
Isahaya, Japan averages a high of 11.8°C (53.2°F) and low of 7.4°C (45.3°F) in December, with 9 rain days and 6.7 hours of daily sunshine. Travel score: 62.4/100 (Good). The best time to visit Isahaya is October.
High
12°C53°F
Low
7°C45°F
🌧️
9
rain days
☀️
6.7
hrs/day sunshine
💧
67%
humidity
62— Good
December in Isahaya is cool and occasionally wet — good for most activities.
What are the average temperatures in Isahaya?
How much does it rain in Isahaya in December?
Isahaya receives an average of 80.5mm of rainfall across 9 rainy days in December. The annual total is 2060.5mm.
What should I pack for Isahaya in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 12°C
🧶
Sweaters and warm layers
Layer up for comfort
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