Weather in Hachiōji in December
Hachiōji, Japan averages a high of 10.5°C (50.9°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: 62.8/100 (Good). The best time to visit Hachiōji is May.
High
11°C51°F
Low
1°C33°F
🌧️
7
rain days
☀️
7.8
hrs/day sunshine
💧
73%
humidity
63— Good
December in Hachiōji is cool and mostly dry — good for most activities.
What are the average temperatures in Hachiōji?
How much does it rain in Hachiōji in December?
Hachiōji receives an average of 62.5mm of rainfall across 7 rainy days in December. The annual total is 1790.5mm.
What should I pack for Hachiōji in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 11°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 1°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