This is how warm summer 2024 will be: 100-year calendar with forecast. As of: March 25, 2024, 9:21 a.m By: Juliane Reyle CommentsPressSplit Heat waves, extreme thunderstorms and hours of sunshine in summer 2024.

The centenary calendar offers a weather forecast for the months of June, July and August. It remains to be seen whether extreme weather will occur in summer with prediction of the 100 year calendar. But meteorologists doubt the validity of the calendar, after all it has not been scientifically proven.