Sendai weather in January
January in Sendai: cold, a little rain, with clean air — a fair time to visit.
#12 of 12 months in Sendai · #646 of 897 destinations to visit in January · comfort 58/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sendai in January
No notes yet. Open Sendai on the map to add the first one.
Sendai climate normals — January
| Daytime high | 4°C / 40°F | 🧥 cold |
|---|---|---|
| Nighttime low | -2°C / 28°F | |
| Rainfall | 55 mm / 2.1 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 71% | 💧 humid |
| Dew point | -4°C / 24°F | |
| Sunshine | 7.3 h/day | |
| Daylight | 9.8 h | |
| Wind | 20 km/h / 13 mph | |
| Snowfall | 20.1 cm / 7.9 in | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Sendai?
Loading map…
Sendai in January — FAQ
- Is January a good time to visit Sendai?
- January in Sendai: cold, a little rain, with clean air — a fair time to visit. It ranks #12 of 12 months for Sendai on SeasonMap's comfort score (58/100).
- What is the weather like in Sendai in January?
- In January, Sendai averages a daily high of 4.4°C and a low of -2.1°C, with about 54.6 mm of rain over roughly 13 rainy days.
- What is the air quality in Sendai in January?
- Sendai has a mean US Air Quality Index of about 33 in January.
- Does it snow in Sendai in January?
- Sendai sees roughly 20.1 cm of snowfall in January.