Weather in Iruma in December
Iruma, Japan averages a high of 9.9°C (49.8°F) and low of 0.8°C (33.4°F) in December, with 7 rain days and 7.8 hours of daily sunshine. Travel score: 62.5/100 (Good). The best time to visit Iruma is May.
High
10°C50°F
Low
1°C33°F
🌧️
7
rain days
☀️
7.8
hrs/day sunshine
💧
72%
humidity
63— Good
December in Iruma is cool and mostly dry — bundle up and enjoy the cool weather.
What are the average temperatures in Iruma?
How much does it rain in Iruma in December?
Iruma receives an average of 61.8mm of rainfall across 7 rainy days in December. The annual total is 1795.1mm.
What should I pack for Iruma in December?
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
🧤
Warm gloves
Cold nights around 1°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