Summer Solstice Australia 2025. This year, it will officially arrive at saturday 21 december 2025 at exactly. Summer solstice 2025 (beginning of astronomical summer) on the day of the summer (june) solstice, the solar disk, moving along the ecliptic, will fall into its northernmost point and will be.
Experience 14+ hours of daylight, sunshine, and global traditions. Et on june 20, 2025, accordi n g to space.com.