Vientiane Weather in May
Vientiane in May
The short of it: Vientiane in May averages a high of 34 °C (94 °F) and a low of 24 °C (76 °F), with 222 mm (8.7 in) of rain and about 12 h 58 min of daylight. Rated 1 of 5 for a visit; the best months are December and January. Source: TerraClimate climate normals, 1991–2020.
Average high 34° · low 24° · rain 222 mm · daylight 12 h 58 min
✦ Travel with care for a visit · best months: December & January
May in Vientiane brings afternoons near 34° and nights around 24°, with about 222 mm of rain over the month. Days run hot, near 34° in the afternoon; ride early and rest at noon. Wet spells are common — about 222 mm, the 5th wettest month.
The sun is up for about 12 h 58 min in mid-May, 26 minutes more than a month before.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates May 1 of 5 for a visit; the finest months here are December and January.
Against its neighbours, Vientiane runs warmer than most and wetter than most in May. Si Chiang Mai, 2 km to the SW, sees much the same highs.
May in Vientiane, by the numbers
- Warmth rank
- 2nd warmest of 12
- Rain rank
- 5th wettest of 12
- Versus April
- 1° colder, 156 mm more rain
- Versus June
- 1° warmer
- Day–night spread
- 10°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 58 min
- Average wind
- 4 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Si Chiang MaiNong Khai | 2 km SW | 34° | 24° | 218 mm |
| Tha BoNong Khai | 13 km S | 34° | 24° | 206 mm |
| Nong KhaiNong Khai | 18 km ESE | 34° | 24° | 218 mm |
| SangkhomNong Khai | 36 km WNW | 34° | 24° | 195 mm |
| Nam SomUdon Thani | 49 km WSW | 34° | 24° | 180 mm |
| Ban DansavanVientiane | 53 km N | 33° | 24° | 255 mm |
| MaiVientiane | 58 km N | 32° | 23° | 267 mm |
| Kut ChapUdon Thani | 60 km S | 34° | 24° | 165 mm |