Weather in Tomakomai in December
Tomakomai, Japan averages a high of 0.9°C (33.6°F) and low of -4.5°C (23.9°F) in December, with 8 rain days and 7.1 hours of daily sunshine. Travel score: 49/100 (Mixed). The best time to visit Tomakomai is July.
High
1°C34°F
Low
-4°C24°F
🌧️
8
rain days
☀️
7.1
hrs/day sunshine
💧
72%
humidity
49— Mixed
December in Tomakomai is cold and mostly dry — bring heavy winter clothing.
What are the average temperatures in Tomakomai?
How much does it rain in Tomakomai in December?
Tomakomai receives an average of 57.4mm of rainfall across 8 rainy days in December. The annual total is 1213mm.
What should I pack for Tomakomai in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 1°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -4°C
🧣
Warm scarf
Protect against cold winds
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