What Month Does Summer Start [updated] Today

| Hemisphere | Meteorological Start (Fixed) | Astronomical Start (Varies slightly) | | :--- | :--- | :--- | | | June 1 | June 20–22 | | Southern | December 1 | December 20–22 |

This is the definition most people learn in school or see on their wall calendars. Astronomical summer is determined by the tilt of the Earth's axis and its position relative to the sun. what month does summer start

According to the National Oceanic and Atmospheric Administration (NOAA), summer in the Northern Hemisphere typically starts on June 20 or 21, which is the summer solstice. In the Southern Hemisphere, summer typically starts on December 21 or 22. | Hemisphere | Meteorological Start (Fixed) | Astronomical

The start of summer depends on which definition you use: (based on Earth’s orbit) or meteorological (based on annual temperature cycles). In the Southern Hemisphere, summer typically starts on

This method makes it much easier for climatologists to calculate seasonal statistics and compare one summer to another without worrying about the shifting dates of solstices.