Bhutan’s seasons are dramatic, and timing your visit correctly is essential. The country’s altitude range — from 200m in the southern foothills to over 7,000m on the northern border — means conditions vary enormously.
Spring (March to May)
Perhaps the most beautiful season. Rhododendrons, magnolias, and wildflowers blanket the valleys in color. Temperatures are pleasant (15-25°C in the valleys). The Paro Tshechu (March/April) is one of Bhutan’s most spectacular festivals, with masked cham dances and the unfurling of a giant thangka. Book months ahead — this is peak season.
Summer (June to August)
The monsoon season. Rain is common, particularly in the south, and clouds can obscure mountain views. Not ideal for trekking, but the valleys are lush and green. The Haa Summer Festival (July) offers a more intimate cultural experience with fewer tourists. Hotel rates are lower.
Autumn (September to November)
The clearest skies of the year — ideal for Himalayan views and photography. The Thimphu Tshechu (September/October) is the capital’s biggest festival. October is the best month for trekking, including the famous Snowman Trek. This is the busiest season — book well in advance.
Winter (December to February)
Cold, especially at night and at altitude. Snow is common above 3,000m. The advantages: crystal-clear skies, empty monuments, and the chance to see black-necked cranes in the Phobjikha Valley. The Punakha Dromche and Tshechu (February) features dramatic reenactments of 17th-century battles.
When to Trek
- Best trekking: April-May and October-November
- Snowman Trek: Late September to mid-October only
- Winter treks: Low-altitude routes like the Punakha Winter Trek are accessible year-round