Koya weather live forecast

Tomorrow's maximum temperature in Koya is expected to be 22°C.

5-day weather forecast updated at 04:02 on Saturday 7th June 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 8th June 2025

Expect overcast skies in Koya, Japan with a maximum temperature of 22°C, maximum UV of 7 (High) and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the south-east.

  • 22°C maximum temperature22
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Little or no wind of 3 kph from the South-East3
    kph wind from SE

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Koya weather for Monday 9th June 2025

Expect overcast with light rain in Koya, Japan with a maximum temperature of 19°C, maximum UV of 7 (High) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and little or no wind of 5 kph from the south-east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 83% chance of some rain83
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Little or no wind of 5 kph from the South-East5
    kph wind from SE

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Koya weather for Tuesday 10th June 2025

Expect isolated thunderstorms in Koya, Japan with a maximum temperature of 20°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 98% chance of some rain and a light breeze of 8 kph from the south.

  • 20°C maximum temperature20
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 98% chance of some rain98
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the South8
    kph wind from S

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Koya weather for Wednesday 11th June 2025

Expect isolated thunderstorms in Koya, Japan with a maximum temperature of 22°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 77% chance of some rain and a light breeze of 8 kph from the south-west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 77% chance of some rain77
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Koya weather for Thursday 12th June 2025

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 24°C, maximum UV of 10 (Very High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 58% chance of some rain and little or no wind of 6 kph from the west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 58% chance of some rain58
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Little or no wind of 6 kph from the West6
    kph wind from W

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

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