Is it Summer, is it Spring... who knows sometimes. But we hope that the above dates will help you out. We have the start and end dates for all seasons, Summer, Spring, Autumn and Winter. Want to go to a hot country and enjoy the sunshine, when is summer coming? I like ski-ing and I want to know when is wonter coming? The next season starts and ends. All the season dates above are the same every year, so these season dates all apply to this year 2017, 2018, 2019 and every year after.