High season for tourism in Laos is November through March and the month of August, when weather conditions are favorable, plus the Lao New Year in the middle of April. Accommodations run at full capacity and transportation can be overbooked at these times.
Laos's tropical climate ushers in a wet monsoon season, lasting from early May to October, followed by a dry season from November through April. In Vientiane, average temperatures range from 71°F (22°C) in January to 84°F (29°C) in April. The northern regions get chilly from November to February and can approach freezing temperatures at night in mountainous areas. Beginning in mid-February, temperatures gradually climb, and April can see temperatures over 100°F (38°C). In order to avoid the rain and heat, November through February is the best time to visit southern Laos. In the mountains of the north, temperatures are still comfortable from May through July.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.