Sendai in January
In January, Sendai averages 5°C (40°F) during the day and -2°C (28°F) at night, with around 12 days of rain (64 mm total).
Off-peakConditions are cold — pack winter layers. Plan for unsettled weather and bring rain gear.
January in Sendai is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How January compares to the rest of the year in Sendai
January is one of the coolest months in Sendai (12th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 12°C below the annual average (17°C). January runs 3°C cooler than December (7°C) and warms a further 1°C into February (6°C).
January sunrise & sunset in Sendai
Times shown for Sendai local time (Asia/Tokyo), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Sendai — January
Golden-hour and blue-hour windows for the 15th of January, in Sendai's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Sendai in January
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (Off-peak) and Sendai's popularity.
Crowds & pricing — January in Sendai
This is off-peak for Sendai — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: challenging tourism weather
Sun & mosquito risk — January in Sendai
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
🥶 Bitter cold — Sendai in January
Gear: Snow rare but air is freezing. Insulated coat, hat, and gloves still required — wind chill is the real enemy.
Sendai in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 5°C / 40°F | -2°C / 28°F | 64 mm | 12 | — |
| February | 6°C / 43°F | -2°C / 28°F | 61 mm | 10 | — |
| March | 11°C / 51°F | 1°C / 34°F | 100 mm | 10 | — |
| April | 15°C / 60°F | 5°C / 42°F | 104 mm | 10 | — |
| May | 21°C / 69°F | 11°C / 52°F | 100 mm | 11 | — |
| June | 23°C / 74°F | 16°C / 61°F | 146 mm | 16 | — |
| July | 27°C / 80°F | 21°C / 69°F | 197 mm | 19 | — |
| August | 28°C / 82°F | 22°C / 71°F | 185 mm | 19 | — |
| September | 24°C / 76°F | 18°C / 64°F | 177 mm | 15 | — |
| October | 19°C / 65°F | 11°C / 51°F | 150 mm | 11 | — |
| November | 14°C / 56°F | 5°C / 41°F | 64 mm | 10 | — |
| December | 7°C / 45°F | 0°C / 32°F | 68 mm | 13 | — |
Other cities with similar January weather
🌍 See the full ranked list of climate twins for Sendai in January →
Frequently asked questions
How hot is Sendai in January?
In January, Sendai averages a high of 5°C (40°F) and a low of -2°C (28°F) — generally cold.
Does it rain a lot in Sendai in January?
January can be fairly wet in Sendai, with about 12 rainy days on average.
Is January a good time to visit Sendai?
January is cold. It suits travelers who are comfortable with cold weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Sendai in January?
Pack heavy winter layers, a coat, hat and gloves, plus a compact umbrella or rain jacket. See the full January packing list for Sendai for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.