When to Visit Vientiane
Year-round climate guide & best times to travel
Best Time to Visit by Travel Style
Beach & Relaxation
December through February offers the most comfortable temperatures (84-87°F highs) with minimal rainfall and lower humidity, perfect for outdoor relaxation.
Cultural Exploration
November through March provides ideal conditions with little rain (0.2-1.7 inches) and manageable temperatures, allowing for comfortable temple visits and city exploration.
Adventure & Hiking
December through February offers the coolest temperatures and driest conditions, making it optimal for outdoor adventures and trekking activities.
Budget Travel
May through September during the wet season offers lower tourist numbers and better accommodation deals, though expect frequent rain and high humidity.
Month-by-Month Climate Guide
January
January offers some of the year's most pleasant weather with comfortable highs of 84°F and cool evenings at 64°F. Rainfall is minimal at just 0.3 inches, making it ideal for outdoor activities and sightseeing. This is peak tourist season due to the excellent weather conditions.
February
February continues the dry season with slightly warmer temperatures reaching 87°F and lows of 66°F. Rainfall remains very low at 0.7 inches, maintaining excellent conditions for travel. The weather is consistently sunny and comfortable for all outdoor activities.
March
March marks the transition toward hotter weather with highs reaching 92°F and nighttime temperatures of 71°F. Rainfall increases slightly to 1.7 inches but remains manageable. The heat begins to build, though humidity stays at comfortable levels.
April
April is the hottest month of the year with temperatures peaking at 94°F and warm nights at 75°F. Rainfall doubles to 3.5 inches as the wet season approaches. The intense heat can be challenging for outdoor activities during midday hours.
May
May marks the beginning of the wet season with rainfall jumping to 8.9 inches and temperatures moderating to 92°F highs. The increased precipitation brings relief from April's intense heat. Afternoon thunderstorms become common, requiring flexible planning.
June
June brings steady monsoon rains with 10.4 inches of precipitation and temperatures cooling to 90°F highs. The wet season is in full swing with frequent afternoon downpours. Despite the rain, temperatures remain warm and humid throughout the day and night.
July
July continues the monsoon pattern with heavy rainfall reaching 11.8 inches and temperatures holding steady at 89°F. The consistent rain provides natural air conditioning but can disrupt outdoor plans. Humidity remains high with warm, muggy conditions throughout the month.
August
August represents the wettest month of the year with 13.4 inches of rainfall and temperatures at 88°F. The monsoon is at its peak intensity with frequent, heavy downpours. While temperatures are moderate, the high humidity and constant rain make this the most challenging month for tourism.
September
September maintains heavy monsoon conditions with 10.4 inches of rain and temperatures at 89°F. While rainfall begins to decrease from August's peak, wet conditions persist with regular afternoon storms. The weather remains hot and humid with limited dry periods.
October
October marks the transition out of the wet season with rainfall dropping significantly to 3.4 inches and temperatures at 89°F. The monsoon begins to weaken, offering more dry days and clearer skies. This shoulder season provides improving conditions as tourist numbers start to increase.
November
November signals the return of the dry season with minimal rainfall at just 0.6 inches and pleasant temperatures of 87°F. The post-monsoon period brings clear skies and comfortable humidity levels. This marks the beginning of the peak tourist season with excellent weather conditions.
December
December offers ideal weather conditions with comfortable temperatures of 84°F and cool evenings at 66°F. Rainfall is virtually nonexistent at 0.2 inches, creating perfect conditions for outdoor activities. This is peak tourist season with consistently sunny, pleasant weather throughout the month.