Weather in Shinjuku in January
Shinjuku, Japan averages a high of 8.3°C (46.9°F) and low of -0.5°C (31.1°F) in January, with 6 rain days and 8.1 hours of daily sunshine. Travel score: 61.6/100 (Good). The best time to visit Shinjuku is August.
High
8°C47°F
Low
0°C31°F
🌧️
6
rain days
☀️
8.1
hrs/day sunshine
💧
68%
humidity
62— Good
January in Shinjuku is cool and mostly dry — bundle up and enjoy the cool weather.
What are the average temperatures in Shinjuku?
How much does it rain in Shinjuku in January?
Shinjuku receives an average of 60.1mm of rainfall across 6 rainy days in January. The annual total is 1420.6mm.
What should I pack for Shinjuku in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 8°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 0°C
🧣
Warm scarf
Protect against cold winds
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