Hamamatsu weather in January 2025

Expect 9°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Hamamatsu in January. Check more long-term weather averages for Hamamatsu in January before you book your next holiday to Japan in 2025/2026.

  • 9°C maximum daytime temperature in January in Hamamatsu9
    9°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in January in Hamamatsu12
    12 days with some rainfall
  • 1°C minimum night-time temperature in January in Hamamatsu1
    1°C min night temperature
  • 10 hours of daylight per day in January in Hamamatsu10
    10 hours of daylight per day
  • No heat & humidity in January in Hamamatsu0
    No heat & humidity
  • 53 mm monthly rainfall in January in Hamamatsu53
    53 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Hamamatsu3
    3 (Moderate) UV index
  • 18°C sea temperature in January in Hamamatsu18
    18°C sea temperature

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The January weather guide for Japan (Hamamatsu) 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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How warm is it in Hamamatsu in January?

Daytime temperatures usually reach 9°C in Hamamatsu in January, falling to 1°C at night.

How sunny is it in Hamamatsu in January?

There are normally 6 hours of bright sunshine each day in Hamamatsu in January - that's 61% of daylight hours.

How warm is the sea around Hamamatsu in January?

The average sea temperature around Hamamatsu in January is 18°C.

Does it rain in Hamamatsu in January?

There are usually 12 days with some rain in Hamamatsu in January and the average monthly rainfall is 53mm.

Hamamatsu January sunrise & sunset times

Browse the sunrise and sunset times for Hamamatsu in January 2025. Select a month to view Hamamatsu sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 06:56 16:49
Thursday, 16th January 2025 06:56 17:02
Friday, 31st January 2025 06:48 17:17

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