Koya weather live forecast

Tomorrow's maximum temperature in Koya is expected to be 18°C.

  • Sunday
    20th Apr
    Broken clouds
  • Monday
    21st Apr
    Scattered clouds
  • Tuesday
    22nd Apr
    Broken clouds
  • Wednesday
    23rd Apr
    Isolated thunderstorms (50 mm or more rainfall expected)
  • Thursday
    24th Apr
    Broken clouds

5-day weather forecast updated at 04:02 on Saturday 19th April 2025 GMT

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The 5-day weather forecast for Japan (Koya) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Koya weather forecast by day

Below are the detailed weather forecasts for Koya for the next 5 days.

Koya weather for Sunday 20th April 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the South5
    kph wind from S

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Koya weather for Monday 21st April 2025

Expect scattered clouds in Koya, Japan with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Little or no wind of 5 kph from the North5
    kph wind from N

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Koya weather for Tuesday 22nd April 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the South9
    kph wind from S

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Koya weather for Wednesday 23rd April 2025

Expect isolated thunderstorms in Koya, Japan with a maximum temperature of 17°C, maximum UV of 7 (High) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 85% chance of some rain and a light breeze of 9 kph from the north-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 85% chance of some rain85
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Koya weather for Thursday 24th April 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 18°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Little or no wind of 6 kph from the North-West6
    kph wind from NW

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

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