Bhutan has four seasons:
- Spring ( March, April & May)
- Summer ( June, July & August)
- Autumn ( September, October & November)
- Winter ( December, January & February)
The climate in Bhutan is typically varies; tropical in southern plains; cool winters and hot summers in central valleys; severe winters and cool summers in Himalayas. The terrain: mostly mountainous with some fertile valleys and savanna. For Thimphu in January the daily average maximum temperatures is 1°C with the average minimum -17°C, while in June the average maximum is 12°C with a minimum of 3°C. The wettest month for Thimphu is August with an average of 106.2mm of precipitation falling while the driest month is December with 2.2mm falling.