Yokohama weather in December
December in Yokohama: cool, a little rain — a great time to visit.
#8 of 12 months in Yokohama · #495 of 897 destinations to visit in December · comfort 70/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Yokohama in December
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Yokohama climate normals — December
| Daytime high | 11°C / 53°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 42°F | |
| Rainfall | 61 mm / 2.4 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 2°C / 36°F | |
| Sunshine | 7.1 h/day | |
| Daylight | 9.8 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 98 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Yokohama in December — FAQ
- Is December a good time to visit Yokohama?
- December in Yokohama: cool, a little rain — a great time to visit. It ranks #8 of 12 months for Yokohama on SeasonMap's comfort score (70/100).
- What is the weather like in Yokohama in December?
- In December, Yokohama averages a daily high of 11.4°C and a low of 5.4°C, with about 61.2 mm of rain over roughly 7.6 rainy days.
- What is the air quality in Yokohama in December?
- Yokohama has a mean US Air Quality Index of about 98 in December.