Weather in Karatsu in January
Karatsu, Japan averages a high of 9.1°C (48.4°F) and low of 4.1°C (39.4°F) in January, with 11 rain days and 6.2 hours of daily sunshine. Travel score: 54.8/100 (Mixed). The best time to visit Karatsu is October.
High
9°C48°F
Low
4°C39°F
🌧️
11
rain days
☀️
6.2
hrs/day sunshine
💧
69%
humidity
55— Mixed
January in Karatsu is cool and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Karatsu?
How much does it rain in Karatsu in January?
Karatsu receives an average of 73.2mm of rainfall across 11 rainy days in January. The annual total is 1666.7mm.
What should I pack for Karatsu in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 9°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 January?
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