Shikoku in Japan sees its peak temperatures in August (31°C (88°F)) and its coolest in January (9°C (48°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Matsuyama, 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 Shikoku, during the months of May, June and October you can expect comfortable weather, with average temperatures ranging from 23°C (73°F) to 26°C (79°F).
The coldest month generally falls in January.
Precipitation in Shikoku varies considerably throughout the year. The wettest conditions occur in June with 274 mm (11 in) of rain, while January stays relatively dry with 76 mm (3 in). The region experiences its rainy season during June, July and September, when monthly rainfall can range from 195 mm (7.7 in) to 274 mm (11 in).
Visitors hoping to maximize their time in the sun should consider planning their trip for August, when daylight hours are at their peak.
