Sendai Weather in January
January in Sendai brings low temperatures, with highs of 6°C (43°F) and nights dropping to -1°C (30°F). Rainfall is on the higher side this month, averaging around 70 mm (2.8 in), so keep a rain jacket handy.
Rainfall in Sendai in January
Based on our climate data of the past 30 years, about 23 days of snow/rain are anticipated, with 70 mm (2.8 in) on average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Sendai in January
In January, expect low temperatures in Sendai, with highs of 6°C (43°F) and lows of -1°C (30°F) at night. During January, you'll experience the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At -1°C (30°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.
Sunshine in Sendai in January
The area enjoys a balanced 148 hours of sunlight, ensuring it's neither too overcast nor too sunny.
Wind Speed in Sendai in January
January has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.January in Sendai can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 Sendai's climate page.
Sendai Temperature in January
Min Temperature
-1°C (30°F)
Max Temperature
6°C (43°F)
Chance of Rain
78%
Precipitation
70 mm (2.8 in)
Rainy days
23 days
Humidity
66%
Windspeed
3 m/s (6 knots)
Sunshine
148 hours
Percentage Sunshine
49%
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Sendai typically stay consistent throughout January, with daily highs averaging around 6°C (43°F). Nights are very cold, with lows around -2°C (28°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Sendai in January
Browse day-by-day weather records for Sendai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sendai historical weather extremes in January
Based on weather observations in Sendai between 1976 and 2025, these are the recorded extremes during January.
- Sendai recorded its highest January temperature of 17°C (63°F) on January 10, 1979.
- The coldest January day was on January 25, 2023, with a maximum of -3°C (27°F).
- Sendai registered its coldest January night on January 5, 1977, with temperatures dropping to -12°C (10°F).
Best Places in Japan in January
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Sendai in January
We recommend to layer up for chilly conditions in Sendai in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Sendai in January
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 Sendai's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Sendai climate overview or explore weather in Japan.
