Seasons In Usa Dates 2021 -

In the United States , the changing of seasons is tracked in two ways: (based on Earth's tilt and position relative to the sun) and meteorological (based on the annual temperature cycle and the calendar). Seasonal Dates for 2026 Astronomical Start (Equinox/Solstice) Meteorological Range Spring March 20, 2026 March 1 – May 31 Summer June 21, 2026 June 1 – August 31 Fall September 22, 2026 September 1 – November 30 Winter December 21, 2026 December 1 – February 28 The Four Phases of the Year Meteorological Versus Astronomical Seasons | News

Because a year isn't exactly 365 days (it's 365.24), these dates shift slightly every year. 2. Meteorological Seasons seasons in usa dates

The moment the sun crosses the celestial equator. Day and night are nearly equal in length. In the United States , the changing of

Here are the official with their typical dates in the USA (based on UTC timing; dates can shift by a day depending on the year): Meteorological Seasons The moment the sun crosses the

These are defined by Earth’s 23.5-degree tilt and its position relative to the sun.

Meteorological (based on the annual temperature cycle and 12-month calendar). ThoughtCo +1 2026 Season Dates The astronomical dates vary slightly each year due to the Earth's orbit, while meteorological dates remain fixed. Season Meteorological Dates (Fixed) 2026 Astronomical Dates (Approx.) Spring March 1 – May 31 March 20 – June 20 Summer June 1 – August 31 June 21 – September 21 Fall September 1 – November 30 September 22 – December 20 Winter December 1 – February 28/29 December 21 – March 19 Key Differences 12 sites Winter 2025, 2026, 2027 ❄️, dates for the change of seasons. 2 Jun 2025 —