Temperature
Hot by day, warm at night.
92°Ftypical May high
Typical range
May climate
May in Vientiane
Laos · Asia
Not the best time: Humid air is the main limitation.
Not an ideal month
Early to mid
Daytime high
92°F
Lows around 78°F
Rain
Rain most days
Sun
6.5 h/day
Air feel
Very humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 23 wet days, more than in most months.
74%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
6.7 hMay sunshine
Heat & humidity by month
Very hot days with very humid air.
70%May Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In May, afternoons feel about 100° and nights feel near 88°.
CoolComfortableWarmHotSwelteringNight hours
Clear sky
Mostly cloudy skies this month.
22%May Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in May.
3 mphMay Calm
More detailIncludes daypart comfort
Typical May day
May late afternoons are around 90°F, easing to about 86°F in early evening.
Avg temp Typical range
Morning84°F
Feels 93°F
Rain41%
Cloud78%
Humid airVery high
Sun intensityModerate
Midday91°F
Feels 99°F
Rain37%
Cloud73%
Humid airVery high
Sun intensityStrong
Late afternoon90°F
Feels 99°F
Rain32%
Cloud73%
Humid airVery high
Sun intensityModerate
Early evening85°F
Feels 95°F
Rain35%
Cloud79%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 84 | 62 | 0.4 | 2 | 8.2 | 70 |
| Feb | 88 | 65 | 0.6 | 2 | 7.6 | 68 |
| Mar | 93 | 71 | 1.1 | 6 | 7.0 | 67 |
| Apr | 95 | 76 | 2.7 | 10 | 7.5 | 69 |
| May | 92 | 78 | 9.3 | 23 | 6.7 | 78 |
| Jun | 91 | 78 | 11.7 | 25 | 5.1 | 83 |
| Jul | 89 | 78 | 14.7 | 28 | 4.8 | 84 |
| Aug | 89 | 78 | 15.4 | 28 | 4.4 | 85 |
| Sep | 89 | 77 | 12.1 | 24 | 4.6 | 85 |
| Oct | 89 | 75 | 3.7 | 11 | 8.0 | 78 |
| Nov | 87 | 69 | 0.8 | 3 | 7.8 | 73 |
| Dec | 84 | 63 | 0.2 | 1 | 8.3 | 70 |
Similar climates
Similar
Similar travel styleManilaPhilippinesSimilar travel styleChennaiIndiaSimilar travel styleKolkataIndiaSimilar travel styleYangonMyanmar
Want a side-by-side climate view? Compare Vientiane with Manila.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology