According to one embodiment, a storage controller is configured to control a storage device capable of, upon issuance of a predetermined command, causing a storage including a temperature sensor to perform a temperature measurement to update a temperature measurement value. The storage controller includes a timer configured to notify a timeout when an elapsed time from a last issuance of the predetermined command reaches a predetermined time, and a controller configured to, when the timeout is notified, issue to the storage a command for updating the temperature measurement value.