Weather in Vientiane in May
In an average May, Vientiane sees a daily high around 33°C and a low around 25°C, based on 1980–2026 of local climate records.
| Average high | 33°C |
|---|---|
| Typical high range | 30°C to 37°C |
| Average low | 25°C |
| Typical low range | 24°C to 27°C |
| Average daily precipitation | 8 mm |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
43°C
2023-05-06
Lowest
24°C
2000-05-20
Low
Highest
30°C
2023-05-06
Lowest
21°C
1980-05-26
Feels-like
Highest
71°C
2024-05-03
Lowest
24°C
2000-05-20
Humidity
Highest
26.6 g/m³
2025-05-30
Lowest
13.9 g/m³
2022-05-03
Wind
Highest
25 km/h
2026-05-21
Lowest
4 km/h
1984-05-08
Gust
Highest
53 km/h
1986-05-10
Lowest
14 km/h
2006-05-19
Precip
Wettest
525 mm
2001
Driest
87 mm
2023
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