Koya weather live forecast

Today's maximum temperature in Koya is expected to be 7°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 28th November 2025 GMT

More about Koya

Koya by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Japan

Fred Olsen sale: £200pp off 2025/2026 cruises

  • Save up to £200 per person on cruises in 2025/2026
  • Book online in the Fred Olsen Black Friday sale
  • Travel before 31st December 2026 (inclusive)
Go to Fred Olsen deal >>

Expires at 23:59 on Monday 1st Dec 2025 · View all Fred Olsen offers

Fred OlsenCruise deal finder

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 Saturday 29th November 2025

Expect scattered clouds in Koya, Japan with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

  • 7°C maximum temperature7
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Little or no wind of 5 kph from the North5
    kph wind from N

Back to top

Koya weather for Sunday 30th November 2025

Expect clear skies in Koya, Japan with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south.

  • 12°C maximum temperature12
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Clear skies
    clear skies
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 4 kph from the South4
    kph wind from S

Back to top

Koya weather for Monday 1st December 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

  • 13°C maximum temperature13
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Little or no wind of 5 kph from the South5
    kph wind from S

Back to top

Koya weather for Tuesday 2nd December 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the North-West7
    kph wind from NW

Back to top

Koya weather for Wednesday 3rd December 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 5°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

  • 5°C maximum temperature5
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 16 kph from the North-West16
    kph wind from NW

Back to top

Fred Olsen sale: £200pp off 2025/2026 cruises

  • Save up to £200 per person on cruises in 2025/2026
  • Book online in the Fred Olsen Black Friday sale
  • Travel before 31st December 2026 (inclusive)
Go to Fred Olsen deal >>

Expires at 23:59 on Monday 1st Dec 2025 · View all Fred Olsen offers

Fred OlsenCruise deal finder

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

Back to top

More about Japan

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^