Sendai weather in January 2026

Expect daytime maximum temperatures of 41°F in Sendai, Japan 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 1.7 inches of rainfall in the month.

  • 41°F maximum daytime temperature in January in Sendai41
    41°F max day temperature
  • 5 hours of sunshine per day
  • 24 days with some rainfall in January in Sendai24
    24 days with some rainfall
  • 28°F minimum night-time temperature in January in Sendai28
    28°F 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
  • 1.7 inches monthly rainfall in January in Sendai1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Sendai2
    2 (Low) UV index
  • 50°F sea temperature in January in Sendai50
    50°F 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)  |  Imperial (°F)

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More about Japan

How warm is it in Sendai in January?

Daytime temperatures usually reach 50°F in Sendai in January, falling to 32°F at night.

How sunny is it in Sendai in January?

There are normally 6 hours of bright sunshine each day in Sendai in January - that's 59% of daylight hours.

How warm is the sea around Sendai in January?

The average sea temperature around Sendai in January is 59°F.

Does it rain in Sendai in January?

There are usually 9 days with some rain in Sendai in January and the average monthly rainfall is 1.7 inches.

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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