When planning a visit to Kamikōchi in Japan, it helps to know that temperatures typically range from 2°C (36°F) in January up to 28°C (82°F) during the peak of August. Our detailed climate overview is based on data from Matsumoto, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Kamikōchi during May, June, July and September is comfortably warm, with average temperatures ranging from 20°C (68°F) to 27°C (81°F).
The colder weather is most prominent in the months of January, February, March and December.
Precipitation in Kamikōchi varies considerably throughout the year. The wettest conditions occur in July with 260 mm (10 in) of rain, while December stays relatively dry with 118 mm (4.6 in). The region experiences its rainy season during June, July, September and October, when monthly rainfall can range from 197 mm (7.8 in) to 260 mm (10 in).
For those seeking sunshine, May usually has the brightest skies, making it an excellent time for exploring the region.
