Weather in Laos in Mei
Country-wide climate normals across 15 cities in Laos.
How Hot Is Laos in Mei?
Laos bakes evenly in May — highs around 32°C are typical from Borikhan all the way to Pakxan, with very little regional variation. Lows sit around 23°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Laos in Mei
Limited sunshine and short daylight define Laos's May: Vientiane averages just 1.6h of direct sun, with the sun up between 5:35 am and 6:35 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Laos In Mei?
Laos is in the heart of its rainy season: Vientiane measures 211mm of rain across 21 days in May, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is Laos Humid In Mei?
Laos feels humid through May: 70% in Vientiane, similar nationwide. Warm days feel several degrees hotter than the thermometer suggests, and morning mist or post-rain steam is common. Drier upland or interior regions may feel a bit less oppressive.
Wind In Laos In Mei
Laos's air is mostly calm in May: Vientiane averages 10 kph, similar across the country. Only coastal and exposed regions see slightly more breeze. Most days feel still and untroubled.
Cloud Cover In Laos In Mei
Cloudy skies dominate Laos in May — 75% cover in Vientiane, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.