Koya weather live forecast

Today's maximum temperature in Koya is expected to be 8°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Monday
3rd Nov
8

3

5

3
Tuesday
4th Nov
12

2

7

4
Wednesday
5th Nov
14

7

5

3
Thursday
6th Nov
15

7

0

4
Friday
7th Nov
14

6

5

4

5-day weather forecast updated at 04:02 on Sunday 2nd November 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 Monday 3rd November 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.

8
°C maximum temperature
3
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
5
°C wind chill
16
kph wind from N

Koya weather for Tuesday 4th November 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-east.

12
°C maximum temperature
2
°C minimum temperature
broken clouds
7
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
6
kph wind from SE

Koya weather for Wednesday 5th November 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 14°C, maximum UV of 3 (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-east.

14
°C maximum temperature
7
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
5
kph wind from SE

Koya weather for Thursday 6th November 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

15
°C maximum temperature
7
°C minimum temperature
broken clouds
0
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
7
kph wind from N

Koya weather for Friday 7th November 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

14
°C maximum temperature
6
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from N

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

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Japan - quick facts
Flight time^✝	11.5 to 15 hours
Time difference	UK +9 hours
Language(s)	Japanese
Currency	Japanese Yen
Electricity	A + B plug (100V)
Driving side	Left
Why visit?	Culture Nature Nightlife
Tourist info	Japan National Tourism Organization