Koya weather live forecast

Today's maximum temperature in Koya is expected to be 4°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Monday
9th Mar
4

-5

8

5
Tuesday
10th Mar
3

-5

5

4
Wednesday
11th Mar
8

-6

3

5
Thursday
12th Mar
8

-2

4

5
Friday
13th Mar
4

-3

7

5

5-day weather forecast updated at 04:02 on Sunday 8th March 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 Monday 9th March 2026

Expect scattered clouds in Koya, Japan with a maximum temperature of 4°C, maximum UV of 5 (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-west.

4
°C maximum temperature
-5
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
3
°C wind chill
5
kph wind from NW

Koya weather for Tuesday 10th March 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 3°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

3
°C maximum temperature
-5
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
1
°C wind chill
9
kph wind from N

Koya weather for Wednesday 11th March 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 8°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-east.

8
°C maximum temperature
-6
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
8
°C wind chill
4
kph wind from NE

Koya weather for Thursday 12th March 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 8°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

8
°C maximum temperature
-2
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
8
°C wind chill
5
kph wind from N

Koya weather for Friday 13th March 2026

Expect sunshine and showers in Koya, Japan with a maximum temperature of 4°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a light breeze of 10 kph from the north.