Therefore, mid-April falls squarely within spring. During this time, the Northern Hemisphere is tilting toward the sun, resulting in longer daylight hours, rising temperatures, and the rebirth of flora and fauna.

| Feature | (Traditional Calendar) | Meteorological Season (Climatological) | | :--- | :--- | :--- | | Basis | Earth’s 23.5° tilt and position relative to the sun. | Annual temperature cycle and the Gregorian calendar. | | Start Date | Solstices & Equinoxes (variable dates). | Fixed dates (1st of the month). | | Spring | March Equinox (Mar 19-21) to June Solstice. | March 1 – May 31. | | Summer | June Solstice (Jun 20-21) to September Equinox. | June 1 – August 31. | | Fall | September Equinox (Sep 22-23) to December Solstice. | September 1 – November 30. | | Winter | December Solstice (Dec 21-22) to March Equinox. | December 1 – February 28/29. | | Purpose | Cultural, traditional, and calendar-based. | Easier for comparing weather and climate statistics. |

To help you plan your activities, here are some general weather patterns for each season:

As of the current date (), the United States is in Spring .

Because the U.S. covers a massive geographic area, "spring" is not a uniform experience. The Old Farmer’s Almanachttps://www.almanac.com When Do the Seasons Start and End in 2026?