Four Season Weather __full__ Jun 2026

The Four Seasons: Astronomical Basis, Meteorological Patterns, and Ecological Significance

The four seasons—spring, summer, autumn, and winter—are a fundamental natural cycle that governs weather patterns, biological rhythms, and human activities in temperate and polar regions. This paper explains the astronomical cause of seasons (Earth’s axial tilt and orbital revolution), describes typical weather characteristics of each season, and highlights their ecological importance.