Koya weather live forecast

Today's maximum temperature in Koya is expected to be 11°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Tuesday
4th Nov
11

2

4

4
Wednesday
5th Nov
13

8

2

3
Thursday
6th Nov
15

8

1

2
Friday
7th Nov
14

6

6

4
Saturday
8th Nov
15

5

6

4

5-day weather forecast updated at 04:04 on Monday 3rd November 2025 GMT

More about Koya

Koya by month

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

Recommended for Japan

Just You: Current offers on solo tours in 2025

Sale

Book early for solor adventure holidays in 2025
Filter offers by travel dates, price, holiday type & more
Destinations include Europe, Asia, Africa & Americas

Go to Just You deal >>

View all Just You offers

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 4th November 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

11
°C maximum temperature
2
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from SE

Koya weather for Wednesday 5th November 2025

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and little or no wind of 5 kph from the south-east.

13
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
28
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
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 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

15
°C maximum temperature
8
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from N

Koya weather for Friday 7th November 2025

Expect scattered clouds in Koya, Japan with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 6 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
scattered clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from N

Koya weather for Saturday 8th November 2025

Expect broken clouds in Koya, Japan with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

15
°C maximum temperature
5
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from SE

Rentalcars.com: Discount car hire worldwide

Sale

Compare car hire prices to find best deal online
Book flexible bookings with free cancellation policy
No hidden fees + price match guarantee

Go to Rentalcars.com deal >>

View all Rentalcars.com offers

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

More about Japan

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

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