Sendai weather in December
December in Sendai: cold, a little rain, with clean air — a good time to visit.
#10 of 12 months in Sendai · #588 of 897 destinations to visit in December · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sendai in December
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Sendai climate normals — December
| Daytime high | 7°C / 45°F | 🧥 cold |
|---|---|---|
| Nighttime low | 1°C / 33°F | |
| Rainfall | 62 mm / 2.4 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 0°C / 31°F | |
| Sunshine | 6.7 h/day | |
| Daylight | 9.6 h | |
| Wind | 17 km/h / 11 mph | |
| Snowfall | 15.6 cm / 6.1 in | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sendai in December — FAQ
- Is December a good time to visit Sendai?
- December in Sendai: cold, a little rain, with clean air — a good time to visit. It ranks #10 of 12 months for Sendai on SeasonMap's comfort score (64/100).
- What is the weather like in Sendai in December?
- In December, Sendai averages a daily high of 7.1°C and a low of 0.7°C, with about 62.1 mm of rain over roughly 13.2 rainy days.
- What is the air quality in Sendai in December?
- Sendai has a mean US Air Quality Index of about 33 in December.
- Does it snow in Sendai in December?
- Sendai sees roughly 15.6 cm of snowfall in December.