Weather in Isahaya in January
Isahaya, Japan averages a high of 9.6°C (49.3°F) and low of 5.2°C (41.4°F) in January, with 10 rain days and 6.4 hours of daily sunshine. Travel score: 58.1/100 (Mixed). The best time to visit Isahaya is October.
High
10°C49°F
Low
5°C41°F
🌧️
10
rain days
☀️
6.4
hrs/day sunshine
💧
67%
humidity
58— Mixed
January in Isahaya is cool and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Isahaya?
How much does it rain in Isahaya in January?
Isahaya receives an average of 74mm of rainfall across 10 rainy days in January. The annual total is 2060.5mm.
What should I pack for Isahaya in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 10°C
🧶
Sweaters and warm layers
Layer up for comfort
Traveling to Japan in January?
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