This begins with the vernal equinox , when the sun crosses the celestial equator. In 2026, the equinox occurred on March 20 . It ends on the summer solstice in June.
In the United States, spring typically spans from through May , but the exact start date depends on whether you follow the calendar, the stars, or the weather. The Three Definitions of Spring what month is spring in america
For the purposes of weather forecasting and climate record-keeping, the National Oceanic and Atmospheric Administration (NOAA) and the meteorological community utilize "Meteorological Spring." This system simplifies the calendar by dividing the year into four seasons of three full months each, based on the annual temperature cycle. This begins with the vernal equinox , when
Under this definition, spring in America always consists of: This begins with the vernal equinox