When Does Meteorological Summer Start [updated] Jun 2026

We all know the feeling: the pool opens, the grill is fired up, and the sun doesn’t set until after dinner. But if you ask ten different people when summer officially starts, you’ll likely get two different answers.

Meteorological summer is a season that is defined by the climate and weather patterns of a particular region. It is not based on the exact dates of the solstices and equinoxes, like the astronomical seasons. Instead, it is typically defined as the three warmest months of the year. when does meteorological summer start

Meteorological summer starts on in the Northern Hemisphere and December 1 in the Southern Hemisphere . We all know the feeling: the pool opens,

This is the summer your grandparents recognize. It is based on the Earth’s 23.5-degree tilt and its journey around the sun. Astronomical summer begins on the —the longest day of the year. It is not based on the exact dates

To clear up the confusion, scientists recognize two distinct versions of summer: Astronomical and Meteorological.