the Kiso Valley in Japan sees its peak temperatures in August (27°C (81°F)) and its coolest in January (1°C (34°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Kiso-fukushima, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In the Kiso Valley, the months of June, July, August and September bring pleasant weather, with average temperatures ranging between 22°C (72°F) and 27°C (81°F).
The cooler season is during the months of January, February, March and December.
Precipitation in the Kiso Valley varies considerably throughout the year. The wettest conditions occur in July with 308 mm (12 in) of rain, while January stays relatively dry with 114 mm (4.5 in). The region experiences its rainy season during May, June, July, August, September and October, when monthly rainfall can range from 191 mm (7.5 in) to 308 mm (12 in).