Osaka Weather in December
During December, Osaka experiences moderate daytime temperatures of 13°C (55°F) and cooler nights around 4°C (39°F). As part of the winter season, expect quite a bit of rainfall. Around 67 mm (2.6 in) is typical.
Rainfall in Osaka in December
You can typically expect 15 days of rain this month, averaging around 67 mm (2.6 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Osaka in December
Daytime highs in Osaka in December reach 13°C (55°F), with nights around 4°C (39°F). December is in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Osaka in December
The area enjoys a moderate level of sunlight, with around 151 hours. It's a good balance between sunny and cloudy days.If you prefer dry days with pleasant temperatures, April, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Osaka's climate page.
Osaka Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
13°C (55°F)
Chance of Rain
48%
Precipitation
67 mm (2.6 in)
Rainy days
15 days
Humidity
62%
Sunshine
151 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Osaka typically drop from around 14°C (57°F) at the start of December to approximately 10°C (50°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 7°C (45°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Osaka in December
Browse day-by-day weather records for Osaka spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Osaka historical weather extremes in December
Our historical data for Osaka spans 1976 to 2025, revealing these weather extremes.
- On December 4, 2018, temperatures climbed to 24°C (75°F), marking the warmest December day on record.
- On December 27, 1976, Osaka saw its coldest December day with temperatures maxing out at 2°C (36°F).
- Nighttime temperatures dropped to -4°C (25°F) on December 29, 1976, marking the coldest December night on record.
Best Places in Japan in December
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Osaka in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Osaka in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Osaka's climate page.
Temperature Rainfall Sunshine Humidity
See the full Osaka climate overview or explore weather in Japan.
