Weather forecast for 10 days
Koyasan, Japan

Weather forecast for the weekend

Saturday, 17. May

Rain
04:52

18:55
JST
Rain
20°C / 17°C
  • Wind: 19km/h SSW
  • Humidity: 86%
  • Precip. probability: 99%
  • Precipitation: 37mm
  • UV index: 4
On Saturday, May 17, rainy weather will dominate, making outdoor plans difficult.
Intense precipitation of 37mm is forecasted. The peak daytime temperature will reach an agreeable 20°C, while the nighttime temperature will drop to an enjoyable 17°C.
The maximum temperature will align with May's usual high of 21.7°C.
Sunrise will be at 04:52 and sunset at 18:55; the daylight will last for 14h and 2min.

Sunday, 18. May

Rain
04:52

18:55
JST
Rain
22°C / 13°C
  • Wind: 12km/h WNW
  • Humidity: 74%
  • Precip. probability: 70%
  • Precipitation: 8mm
  • UV index: 6
On Sunday, May 18, steady rainfall will bring wet and overcast conditions.
With a high probability, light precipitation is predicted. The maximum anticipated temperature is a delightful 22°C, while the minimum temperature will be a moderate 13°C.
The high temperature is anticipated to match May's standard maximum of 21.7°C.
Sunrise will be at 04:52 and sunset at 18:55; the daylight will last for 14h and 4min.

Frequently asked questions

What is the weather forecast for Koyasan for Saturday?
On Saturday, rainy weather will dominate, making outdoor plans difficult.
Will it rain on Saturday?
Yes, it will rain on Saturday. Be wary - intense precipitation of 37mm is predicted on Saturday.
What will be the highest temperature on Saturday in Koyasan?
On Saturday, the highest temperature will be 20°C, while the lowest temperature will be 17°C.
What is the weather forecast for Koyasan for Sunday?
On Sunday, the rain is expected to continue, making for a damp and dreary day.
Will it rain on Sunday?
Light precipitation of 8mm is anticipated on Sunday. The chance of rainfall is 70%.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 22°C, while the minimum temperature will be 13°C.
What is the weather forecast for Koyasan for the next ten days?
In Koyasan, a combination of rain-soaked and overcast weather is predicted for the next ten days.
Will it rain in the next ten days?
In Koyasan, rain is expected almost every day for the next ten days. Saturday, with heavy precipitation of 37mm, will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 20°C and 24°C, as the minimum temperature will vary between 10°C and 17°C.
What will be the warmest and the coldest days?
The warmest days will be Tuesday through next Thursday, with a maximum of 24°C. With a maximum temperature of 20°C, Saturday will be the coldest day.

Long-term weather forecast

Wed14.May
  • 23°C
  • 10°C
Partly Cloudy
Partly Cloudy
  • Wind: 12km/h W
  • Humidity: 45%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0mm
  • 04:55 18:52 JST
Thu15.May
  • 23°C
  • 12°C
Cloudy
Cloudy
  • Wind: 11km/h SSW
  • Humidity: 50%
  • UV index: 6
  • Precip. probability: 4%
  • Precipitation: 0mm
  • 04:54 18:53 JST
Fri16.May
  • 23°C
  • 15°C
Cloudy
Cloudy
  • Wind: 8km/h SW
  • Humidity: 56%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 11mm
  • 04:53 18:54 JST
Sat17.May
  • 20°C
  • 17°C
Rain
Rain
  • Wind: 19km/h SSW
  • Humidity: 86%
  • UV index: 4
  • Precip. probability: 99%
  • Precipitation: 37mm
  • 04:52 18:55 JST
Sun18.May
  • 22°C
  • 13°C
Rain
Rain
  • Wind: 12km/h WNW
  • Humidity: 74%
  • UV index: 6
  • Precip. probability: 70%
  • Precipitation: 8mm
  • 04:52 18:55 JST
Mon19.May
  • 22°C
  • 15°C
PM Showers
PM Showers
  • Wind: 11km/h W
  • Humidity: 55%
  • UV index: 6
  • Precip. probability: 38%
  • Precipitation: 9mm
  • 04:51 18:56 JST
Tue20.May
  • 24°C
  • 15°C
Showers
Showers
  • Wind: 11km/h W
  • Humidity: 62%
  • UV index: 4
  • Precip. probability: 58%
  • Precipitation: 5mm
  • 04:50 18:57 JST
Wed21.May
  • 24°C
  • 15°C
Partly Cloudy
Partly Cloudy
  • Wind: 11km/h NW
  • Humidity: 57%
  • UV index: 9
  • Precip. probability: 23%
  • Precipitation: 1mm
  • 04:50 18:58 JST
Thu22.May
  • 24°C
  • 14°C
Showers
Showers
  • Wind: 11km/h NW
  • Humidity: 50%
  • UV index: 6
  • Precip. probability: 38%
  • Precipitation: 3mm
  • 04:49 18:58 JST
Fri23.May
  • 22°C
  • 11°C
Showers
Showers
  • Wind: 14km/h SSW
  • Humidity: 58%
  • UV index: 9
  • Precip. probability: 43%
  • Precipitation: 7mm
  • 04:49 18:59 JST
Weather patterns suggest that a combination of rain-filled and gloomy weather is predicted.
Rain is forecasted nearly every day for the next ten days.
In the coming days, the maximum temperature will range between 20°C and 24°C, while the difference in minimum temperatures will be substantial, as the minimum temperature is expected to range between 10°C and 17°C.
With a maximum temperature of 24°C, Tuesday through next Thursday will be the warmest days; the coldest day will be Saturday, with a maximum of 20°C.
Updated: May 13, 2025 @ 22:33:14 UTC
Published by: Weather Atlas | About Us
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