Destination: Laos
LONELY PLANET'S OFFICIAL GUIDEBOOK INFORMATION
When To Go
The best overall time for visiting most of Laos is between November and February - during these months it rains the least and is not too hot. This is also Laos's main season for both national and regional bun (festivals).
If you plan to focus on the mountainous northern provinces, the hot season (from March to May) and early rainy season (around June and July) is not bad either, as temperatures are moderate at higher elevations. Southern Laos, on the other hand, is best avoided from March to May, when day-time temperatures break into the 40s and nights aren't much cooler.
Extensive road travel in remote areas like Attapeu, Phongsali and Sainyabuli may be impossible during the main rainy season from July to October, when roads are often inundated or washed out for weeks, even months, at a time. River travel makes a good alternative during these months. If you intend to travel extensively by river, November is the best; flooding has usually subsided yet river levels are still high enough for maximum navigability throughout the country at this time. Between January and June boat services on some rivers - or certain portions of some rivers - may be irregular due to low water levels.
Peak months for tourist arrivals are from December to February, and August.
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