Why this matters now
World climatic regions are tested for their characteristics, locations and natural vegetation, and they connect to agriculture and biomes. The Köppen classification is a common reference.
Tropical climates
- Equatorial (hot wet) — high temperature and rainfall all year; dense tropical rainforests (Amazon, Congo, SE Asia);
- Tropical monsoon — distinct wet and dry seasons (South Asia);
- Savanna (tropical wet-dry) — grassland with scattered trees (African savanna);
- Hot desert — extreme aridity and temperature range (Sahara, Thar).
Temperate climates
- Mediterranean — hot dry summers, mild wet winters; citrus & vineyards (Mediterranean basin, California);
- Temperate grasslands — Prairies, Steppes, Pampas; major wheat belts;
- China type & West-European — humid temperate with year-round rain.
Cold and polar climates
- Taiga (boreal) — long cold winters; coniferous forests;
- Tundra — treeless, frozen subsoil (permafrost), mosses and lichens;
- Polar (ice cap) — perpetual ice and extreme cold.
The Köppen classification
The widely used Köppen classification groups climates into five main types — A (tropical), B (dry), C (warm temperate), D (cold/continental) and E (polar) — based on temperature and precipitation, with sub-types. It links climate directly to natural vegetation.
UPSC angle
Match climate type → characteristics → vegetation → region (equatorial-rainforest; Mediterranean-citrus; savanna-grassland; tundra-mosses). Know the Köppen A-E groups.
Frequently asked questions
What are the major world climatic regions?
Broadly: equatorial, tropical monsoon, savanna, hot desert, Mediterranean, temperate grassland, temperate forest, taiga, tundra and polar climates.
What characterises a Mediterranean climate?
Hot, dry summers and mild, wet winters — supporting citrus fruits, olives and vineyards.
What is the Köppen classification?
A widely used system that groups climates into five main types (A tropical, B dry, C warm temperate, D cold, E polar) based on temperature and precipitation.
What is the tundra climate?
A very cold, treeless climate with permanently frozen subsoil (permafrost), supporting only mosses, lichens and hardy shrubs.