Sendai weather in January 2026

Expect daytime maximum temperatures of 5°C in Sendai in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 24 days with some rainfall and typically 43 mm of rainfall in the month.

  • 5°C maximum daytime temperature in January in Sendai5
    5°C max day temperature
  • 5 hours of sunshine per day
  • 24 days with some rainfall in January in Sendai24
    24 days with some rainfall
  • -2°C minimum night-time temperature in January in Sendai-2
    -2°C min night temperature
  • 10 hours of daylight per day in January in Sendai10
    10 hours of daylight per day
  • No heat & humidity in January in Sendai0
    No heat & humidity
  • 43 mm monthly rainfall in January in Sendai43
    43 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Sendai2
    2 (Low) UV index
  • 10°C sea temperature in January in Sendai10
    10°C sea temperature

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The January weather guide for Japan (Sendai) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Japan

How cold is it in Sendai in January?

Daytime temperatures usually reach 5°C in Sendai in January, falling to -2°C at night.

How sunny is it in Sendai in January?

There are normally 5 hours of bright sunshine each day in Sendai in January - that's 48% of daylight hours.

Is the sea cold around Sendai in January?

The average sea temperature around Sendai in January is 10°C.

Does it rain in Sendai in January?

There are usually 24 days with some rain in Sendai in January and the average monthly rainfall is 43mm. Rain may fall as snow in this month.

Sendai January sunrise & sunset times

Browse the sunrise and sunset times for Sendai in January 2026. Select a month to view Sendai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:53 16:27
Friday, 16th January 2026 06:52 16:41
Saturday, 31st January 2026 06:43 16:57

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