The Laos climate is mainly tropical, with a seasonal monsoon and this means the weather is warm, humid and there is a lot of rain in the wet season.
Overview Laos weather
The average temperature is around 29°C. During the warmest months the temperature can rise to 40°C. In cooler months the temperature often drops to 15-20°C at night in lower land like Vientiane and it can drop to below freezing in the mountainous areas. Days are usually warm and sunny almost all year round.
Basic seasons in Laos
Weather in Laos has two basic seasons: rainy season and dry season.
It runs from May to October, is characterised by a downpour for a few hours every few days rather than all day rain. During the wet season the humidity is much higher than normal that tends to make the temperature to feel much higher than it is and it can be uncomfortable to travel around. But after heavy rain you’ll appreciate cooler, fresher and cleaner air and beautiful clear blue sky.
Dry season runs from November to April or early May, can be further sub divided into two distinct sections: November to February is the cool dry season and March to April or early May is the hot dry season. The most comfortable time to visit Laos particularly in November and December, the rivers are high enough to make river travel a breeze. However it’s more expensive to travel in Laos during this period as it is the peak season.