If you drive half an hour from the city you will have the opportunity for skiing.
Flottsbrobacken is the highest and longest ski slope in Stockholm, and has five downhill slopes, jump ramps, ski rental, and an inn. There are also good connections via public transport as well.
In the summer, Flottsbrobacken is a popular outdoor recreation area featuring a swimming beach, hiking trails, and a range of activities. The skiing is at a relatively easy level.