Seasons By - Hemisphere

The following table illustrates the standard astronomical dates for each season:

The single most important factor governing seasons is the of Earth relative to its orbital plane around the Sun. seasons by hemisphere

| Northern Hemisphere | Southern Hemisphere | | :--- | :--- | | (Mar - Jun) | Autumn (Mar - Jun) | | Summer (Jun - Sep) | Winter (Jun - Sep) | | Autumn (Sep - Dec) | Spring (Sep - Dec) | | Winter (Dec - Mar) | Summer (Dec - Mar) | seasons by hemisphere