Koya weather live forecast

Today's maximum temperature in Koya is expected to be 12°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Sunday
8th Nov
12

4

5

4
Monday
9th Nov
11

7

1

4
Tuesday
10th Nov
9

2

2

4
Wednesday
11th Nov
13

1

11

4
Thursday
12th Nov
16

4

9

3

5-day weather forecast updated at 04:02 on Sunday 8th November 2026 GMT

More about Koya

Koya by month

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

Recommended for Japan

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

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 November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 12°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.

12
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
12
°C wind chill
7
kph wind from N

Koya weather for Monday 9th November 2026

Expect overcast skies in Koya, Japan with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

11
°C maximum temperature
7
°C minimum temperature
overcast skies
1
hour of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from N

Koya weather for Tuesday 10th November 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 18% chance of some rain and a light breeze of 9 kph from the north.

9
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
18
% chance of some rain
<5
mm of rainfall expected
8
°C wind chill
9
kph wind from N

Koya weather for Wednesday 11th November 2026

Expect clear skies in Koya, Japan with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-east.

13
°C maximum temperature
1
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
4
kph wind from NE

Koya weather for Thursday 12th November 2026

Expect scattered clouds in Koya, Japan with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the south-east.