Falun is considered to have a continental subarctic climate (K�ppen Dfc).
On average, the coldest month is January with an average low temperature of ?11 �C (12.2 �F). Winter is the longest season lasting approximately from mid-November til the end of April. With an average high temperature of 22 �C (71.6 �F), July is the warmest month. The most precipitation occurs during the summer months of July and August. The lowest temperature ever recorded in Falun is ?40 �C (?40.0 �F)