This follows the Earth's orbit. In 2026, for example, astronomical spring begins on March 20 (the Vernal Equinox) and lasts until June 20 (the Summer Solstice). Monthly Weather and Regional Breakdown
Because the U.S. spans vast geographic and climatic zones, the "feeling" of spring varies wildly—arriving as early as mid-March in the Gulf Coast but not until May in the northern Rockies. The Two Ways to Define Spring Months
This follows the Earth's orbit. In 2026, for example, astronomical spring begins on March 20 (the Vernal Equinox) and lasts until June 20 (the Summer Solstice). Monthly Weather and Regional Breakdown
Because the U.S. spans vast geographic and climatic zones, the "feeling" of spring varies wildly—arriving as early as mid-March in the Gulf Coast but not until May in the northern Rockies. The Two Ways to Define Spring Months