Weather in Stockholm The weather in Stockholm varies a lot during the year. The winter days are short with around six hours of sunlight each day and temperatures falling to 0C or lower. In the summer, the days are very long and the nights are short. During the warmer months the temperature can reach 25C. Rain is common all year round and it can even snow in winter. Stockholm Guide | Transport in Stockholm Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Save my name, email, and website in this browser for the next time I comment.