Bhutan can be traveled at any time of the year except during the winter months of December – March. During the summer, you should expect some light rainfall especially in the south of Bhutan. In the winter time, the temperature can drop down to -6 degrees Celsius while in the summer time the temperatures reach an overage of 25 degrees Celsius. The best time to travel in Bhutan is during the Spring (March, April and May) as days are warm and clear.
Tentative temperatures during March-April, October -November
| Maximum Day-time Temperature | Minimum Night-time Temperature | |
| Thimpu & lower valleys | + 25º C (77º F) | 7º C (45º F) |
| 3000 - 4000 metres | + 20 - 15º C (68 - 59º F) | - 5 º C (23 º F) |