Geography and climate of Bhutan

Geography and climate of Bhutan

Bhutan, a sovereign country nestled in the eastern extreme of the Himalayas mountain range, boasts a diverse climate that varies significantly with elevation. Spanning approximately 38,394 square kilometers, Bhutan is bordered to the north and northwest by the People’s Republic of China and to the south, east, and west by India.

Climate and Temperature Variations

temperatures in Bhutan

The country experiences four distinct seasons—spring, summer, autumn, and winter—each bringing unique weather conditions. Due to its varied topography, Bhutan’s climate ranges from subtropical in the south to alpine tundra in the north.

Southern Bhutan (Duars Plain - Subtropical Climate)

  • Temperature: Ranges from 15°C in winter (December-February) to 35°C in summer (June-August).
  • Rainfall: The monsoon season (June to September) brings heavy rainfall, averaging 2000-5000 mm annually.
  • Landscape: This region consists of dense tropical forests, fertile river valleys, and grasslands.

Central Bhutan (Lesser Himalaya - Temperate Climate)

Temperatures in Paro Bhutan
  • Temperature: Winter temperatures drop to around 0°C (December-February), while summer temperatures reach 25°C (June-August).
  • Rainfall: Annual precipitation is 500-1000 mm, mostly from the monsoon rains between June and September.
  • Landscape: Characterized by rolling hills, terraced farmlands, and lush forests, the central region hosts many of Bhutan’s key cultural and religious sites.

Northern Bhutan (Greater Himalayas - Alpine & Tundra Climate)

  • Temperature: Winter temperatures can plummet to -20°C or lower (December-February), while summer remains cool at around 10°C (June-August).
  • Snowfall: Heavy snowfall occurs from December to March, covering the rugged peaks and high-altitude pastures.
  • Landscape: Dominated by towering mountain ranges, glaciers, and high-altitude alpine meadows, this region is home to some of the highest peaks in Bhutan, including Gangkhar Puensum (7,570 meters).

Precipitation and Weather Patterns

rainfall Paro Bhutan
  • The monsoon season from June to September brings intense rainfall, particularly in the south and central regions.
  • Winter months see dry and crisp weather in central Bhutan, while northern Bhutan remains under snow.
  • The best seasons for travel are spring (March-May) and autumn (September-November) when temperatures are moderate, and the skies are clear, offering stunning mountain views.

Bhutan’s geographical diversity, ranging from tropical lowlands to high-altitude glaciers, shapes its unique climatic zones, making it a land of incredible contrasts and breathtaking natural beauty.

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