THE WEATHER & CLIMATE IN LAOS

Laos has two main seasons as:
1-    The dry season is from November to early May.
2-    The rainy season is from late May to October.
Special note:  between July and September you should be prepared for heavy downpours almost every day!
In details, Laos’ weather in location as:
Northern of Laos; Luang Phrabang City & includes the villages in the hills, mountains.
From November through February, the northern regions cool down and can even approach freezing at higher altitudes, especially in coolest months of year from December to January. During this time, the sunshine is less and the sky is often cloudy. In the further North of mountainous areas, there is often dull weather with some drizzle. In this winter time, the nights are cool in the north. In Luang Prabang, the average temperatures can be around 27-28 °C (81-82 °F) at high or 14-15 °C (57-59 °F) at low.
From March and April which are hottest period of the year, this is also in the burning of the fields so the air can be as smoky and cause discomfort for breathing until the monsoon season starts in May. The temperature of this period can exceed 32 °C (90 °F), and also expect the waterfall around Luang Prabang to be in poor conditions.
From late May to October, the sun comes out so often. Further North and in Luang Prabang, rainfall tends to be lighter and you can often expect rain during the nights or mornings with some relatively clear afternoons. However, if at peak rainy time (August / September), you can be prepared to some delay and occasional floods.
Central of Laos; includes the capital Vientiane and the countryside Vang Vieng area.
Early dry season gives the best time for those who are looking for the nature as everything is still lush and impressive. The sun frequently shines and low temperature is great for trekking experience. In Vientiane, you can expect temperatures between 30°C – 38°C in hottest seasons which starts in March and high levels of humidity in wet season from May. The rainfall can be 1,600 mm (63 in) yearly which becomes abundant in August and September while they are rare in dry season. The winter temperatures are also slightly higher, and cold air outbreaks are less frequent and less intense.
South of Laos; includes the Mekong Delta – Pakse area & mountains.
In the Southern Laos, there are not much differences between cold and hot season as winter is even warmer with the highs at around 30-31°C (86-88°F) even in December and January. It also never gets as cold as it does in the North at nights.  The rainy season of the provinces near the Mekong is slightly less strong, but the area around the river can still experience the floods. Visit Si Phan Don, Savannakhet and Pakse can be a good destination all year round.

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