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Kumano River

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Kumano River Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Kumano River year round climate

  • Spring (March–May): Average 11.8–18.9°C, mild but rainy climate, suitable for flower viewing, but rain gear is needed. Common activities: Flower viewing, hiking (pay attention to trail conditions). Recommended clothing: Light jacket, long-sleeved shirt, raincoat.
  • Summer (June–August): Average 22.7–27.6°C, hot and humid, relatively high rainfall, especially in August. Common activities: Playing in streams (pay attention to safety), sightseeing in summer resorts. Recommended clothing: Light and breathable clothing, rain gear, sunscreen.
  • Autumn (September–November): Average 19.6–14.8°C, comfortable temperature, still relatively high rainfall. Common activities: Maple viewing (depending on the leaf color change), outdoor hiking. Recommended clothing: Light jacket, long-sleeved shirt, raincoat.
  • Winter (December–February): Average 8.7–8.1°C, relatively low temperature, less rainfall. Common activities: Hot spring experience, indoor activities. Recommended clothing: Warm jacket, sweater, scarf.

Kumano River climatological average

Annual average temperature: approx. 17.1°C / Annual rainfall: approx. 3569 mm / Summer humidity: 75%–85% / Rainiest month: August

Kumano River monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
7°C
99
February
8.1°C
117.9
March
11.8°C
271.1
April
16.3°C
320.6
May
18.9°C
366.9
June
22.7°C
423.5
July
27.6°C
125
August
27.5°C
564.7
September
25.8°C
550.1
October
19.6°C
336
November
14.8°C
361.3
December
8.7°C
33.5

Kumano River weather for the next seven days

4/15
Wednesday
Heavy rain
17.2°C/13.7°C
4/16
Thursday
Patchy rain nearby
17.1°C/7°C
4/17
Friday
Partly Cloudy
21.6°C/6.9°C
4/18
Saturday
Sunny
20.9°C/8.1°C
4/19
Sunday
Partly Cloudy
22.2°C/10.5°C
4/20
Monday
Partly Cloudy
22.9°C/10.3°C
4/21
Tuesday
Patchy rain nearby
19.1°C/10.3°C