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Iwamizawa in December

December in Iwamizawa averages a daily high of 0.1°C. Expect roughly 23.7 wet days totalling 160.2mm. A hard month to visit for comfort alone.

Across the year, the best time to visit Iwamizawa is June–September.

Based on IWAMIZAWA, JA (2.6km), 1995–2024. 17 years of December data.

See all twelve months for Iwamizawa →