Start Of Summer 2025. 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. Online calendar of holidays and days off in united states for the summer of 2025.

The four seasons of the year in the united states —spring, summer, fall, and winter — are what determine the weather, the ecosystem, and the hours of daylight throughout the year. Meteorological summer will always begin on 1 june;