Osaka weather in December
December in Osaka: cold, a little rain — a great time to visit.
#6 of 12 months in Osaka · #270 of 604 destinations to visit in December · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Osaka climate normals — December
| Daytime high | 11°C / 52°F | 🧥 cold |
|---|---|---|
| Nighttime low | 4°C / 39°F | |
| Feels like (high) | 8°C / 46°F | |
| Rainfall | 40 mm / 1.6 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 3°C / 37°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 9.9 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 0.4 cm / 0.2 in | |
| Air quality (US AQI) | 56 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Osaka in December — FAQ
- Is December a good time to visit Osaka?
- December in Osaka: cold, a little rain — a great time to visit. It ranks #6 of 12 months for Osaka on SeasonMap's comfort score (72/100).
- What is the weather like in Osaka in December?
- In December, Osaka averages a daily high of 11°C and a low of 4°C, with about 40.3 mm of rain over roughly 6 rainy days.
- What is the air quality in Osaka in December?
- Osaka has a mean US Air Quality Index of about 56 in December.