Koya weather in January 2021

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  • 6°C maximum daytime temperature in January in Koya6
    6°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in January in Koya17
    17 days with some rainfall
  • -1°C minimum night-time temperature in January in Koya-1
    -1°C min night temperature
  • 10 hours of daylight per day in January in Koya10
    10 hours of daylight per day
  • No heat & humidity in January in Koya0
    No heat & humidity
  • 51 mm monthly rainfall in January in Koya51
    51 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Koya3
    3 (Moderate) UV index
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The January weather guide for Koya, Japan 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.

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How cold is it in Koya in January?

Daytime temperatures usually reach 6°C in Koya in January, falling to -1°C at night.

How sunny is it in Koya in January?

There are normally 5 hours of bright sunshine each day in Koya in January - that's 46% of daylight hours.

Does it rain in Koya in January?

There are usually 17 days with some rain in Koya in January and the average monthly rainfall is 51mm.

Koya sunrise & sunset times for January 2021

Browse the sunrise & sunset times for Koya in January 2021. Select a month to view Koya sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st January 2021 07:04 16:59
Saturday, 16th January 2021 07:03 17:12
Sunday, 31st January 2021 06:56 17:27
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Japan in January for 2021/2022?

Below are average maximum temperatures at popular destinations in Japan in January. Select a destination to see more weather parameters.

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