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.

Tuesday
10th Feb
4

-9

4

2
Wednesday
11th Feb
6

-1

0

1
Thursday
12th Feb
3

-3

4

2
Friday
13th Feb
7

-4

3

4
Saturday
14th Feb
11

-2

7

4

5-day weather forecast updated at 04:03 on Tuesday 10th February 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 Tuesday 10th February 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 4°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

4
°C maximum temperature
-9
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
5
kph wind from S

Koya weather for Wednesday 11th February 2026

Expect mostly cloudy with rain in Koya, Japan with a maximum temperature of 6°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 40-50 mm of rainfall expected with 91% chance of some rain and a light breeze of 8 kph from the north-west.

6
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
91
% chance of some rain
<50
mm of rainfall expected
4
°C wind chill
8
kph wind from NW

Koya weather for Thursday 12th February 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 3°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-west.

3
°C maximum temperature
-3
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
6
kph wind from NW

Koya weather for Friday 13th February 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-west.

7
°C maximum temperature
-4
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
6
°C wind chill
5
kph wind from NW

Koya weather for Saturday 14th February 2026

Expect scattered clouds in Koya, Japan with a maximum temperature of 11°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 4 kph from the south-west.