Days rapidly grow longer, temperatures warm up, snow melts, and plant life wakes up from winter dormancy.
The sun reaches its lowest point, resulting in the shortest day and longest night. Summary Table for 2026 (Northern Hemisphere) Meteorological Start Astronomical Start (Approx) Spring March 20/21 Summer June 21/22 Autumn September 1 September 22/23 Winter December 1 December 21/22
Meteorologists and climatologists need consistent, 3-month blocks to analyze temperature patterns, issue forecasts, and track climate change. They divided the calendar year into four neat periods based on the annual temperature cycle rather than the sun’s position.
Understanding when the four seasons start and end can help us appreciate the beauty and rhythms of nature. Whether you're in the Northern or Southern Hemisphere, we hope this guide has been helpful in planning your activities and staying connected to the world around you.
: Spring (March 1), Summer (June 1), Autumn (Sept 1), Winter (Dec 1). Southern Hemisphere when do the four seasons start and end
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If you live in Australia, New Zealand, South America, or southern Africa, the seasons are completely reversed because the Earth is tilted on its axis. When the Northern Hemisphere tilts toward the sun, the Southern Hemisphere tilts away.
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The concept of seasons is based on Earth’s axial tilt and its orbit around the Sun. However, there are two widely accepted systems for marking the boundaries of spring, summer, autumn, and winter: the (dependent on solstices and equinoxes) and the meteorological seasons (based on annual temperature cycles and the calendar). Days rapidly grow longer, temperatures warm up, snow
Implications
December 1 – February 28 (or Feb 29 in a leap year) 2. Astronomical Seasons (Earth-Position Based)
Definition
Stay up-to-date with our latest posts and get exclusive content by subscribing to our blog. Simply enter your email address in the box below and click "Subscribe." They divided the calendar year into four neat
If you want to dive deeper into regional weather patterns, let me know: Your specific or city.
Note: These dates shift by ±1 day depending on the year and leap year cycles.
Starts at the Summer Solstice ( December 20–23 ) and ends at the Autumnal Equinox ( March 19–21 ).