The Kumano Kodō - Nakahechi route has warm and humid weather in August. High temperatures are around 28-29°C and lows are 25-26°C. It rains often, with chances of moderate to heavy showers and some light rain. Sunny days happen but are less common than rainy or cloudy days. The end part of the route, near Kumano Nachi Taisha, gets the most rain. You will see a mix of partly cloudy, overcast, and sometimes sunny skies. Overall, expect humid, wet, and sometimes sunny weather.
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