Optimal Weather in Vientiane: Best Time to Visit

Optimal Weather in Vientiane: Best Time to Visit


Vientiane, the capital city of Laos, offers visitors a unique blend of history, culture, and natural beauty. Situated on the banks of the Mekong River, Vientiane experiences a tropical monsoon climate, characterized by distinct wet and dry seasons. If you're planning a visit to Vientiane, it's essential to understand the weather patterns to make the most of your experience. In this article, we will guide you through the best time to visit Vientiane based on its optimal weather conditions.

Climate in Vientiane

Vientiane has a tropical monsoon climate, with two distinct seasons - the wet season and the dry season.

The wet season in Vientiane usually lasts from May to October. During this period, the city experiences high humidity and frequent rainfall. The heaviest rainfall occurs from July to September, making it quite wet and muddy in the city. Temperatures during the wet season range from 24°C (75°F) to 33°C (91°F).

The dry season in Vientiane generally spans from November to April. This season brings drier and cooler weather. The humidity is lower, and the sun shines bright throughout the day. Temperatures during the dry season range from 17°C (63°F) to 31°C (88°F), with pleasant evenings and cool nights.

Best Time to Visit

The best time to visit Vientiane is during the dry season, from November to April. This period offers comfortable temperatures and lower humidity, making it ideal for exploring the city and engaging in outdoor activities. The clear skies and abundant sunshine also create a picturesque setting for sightseeing and photography.

Month-by-Month Weather Guide

Month Season Humidity Temperature Sun Rain
November Dry Low 17°C - 30.6°C 8 hours/day 14 mm
December Dry Low 15.5°C - 28.3°C 9 hours/day 6 mm
January Dry Low 15.8°C - 28.9°C 8 hours/day 8 mm
February Dry Low 19.1°C - 31.7°C 9 hours/day 12 mm
March Dry Low 21.3°C - 34.6°C 8 hours/day 26 mm
April Dry Moderate 23.0°C - 36.4°C 9 hours/day 76 mm
May Wet Moderate 24.2°C - 34.6°C 8 hours/day 157 mm
June Wet High 24.2°C - 32.6°C 7 hours/day 190 mm
July Wet High 24.6°C - 31.0°C 6 hours/day 228 mm
August Wet High 24.6°C - 31.3°C 6 hours/day 222 mm
September Wet High 24.0°C - 30.6°C 7 hours/day 247 mm
October Wet Moderate 23.2°C - 30.8°C 8 hours/day 95 mm


Vientiane's optimal weather occurs during the dry season, which falls between November and April. With comfortable temperatures, lower humidity, and clear skies, this is the best time to explore the beauty of the city. Remember to plan your visit accordingly to make the most of your experience in Vientiane!