In December, the Kumano Kodō - Nakahechi route has mild weather. Daytime temperatures are usually around 14-15°C, and nighttime temperatures are between 9-11°C. The weather can change daily, with sunny, partly cloudy, and cloudy days. It often rains lightly, with daily rainfall between 1.7 mm and 4.6 mm.
You can expect both sunny and rainy days. Rain might be light or moderate. The route covers different areas, so some places might have more cloudy days, while others could see more sun.
Be ready for different weather, from clear skies to light rain showers. Heavy rain is rare. Because parts of the route are near the coast, it might be more humid in that area.
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