Vientiane weather by month & the best time to visit
🇱🇦 Laos · city break · tropical — wet & dry seasons climate
The best time to visit Vientiane is January — its sunniest month (Sunshine Score 92/100), with December and February close behind. Vientiane averages about 2,437 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 8 mm of rain in January.
Jump to: month-by-month table · nearby alternatives · embed this data
- Sun hours / year
- 2,437
- Sunniest month
- January
- Peak score
- 92/100
- Rain / year
- 1,215 mm
- Midday UV at peak
- 10 (very high)
- Population
- 841k
- Elevation
- 170 m
When is the best time to visit Vientiane?
For sunshine, the best time to visit Vientiane is January, then December and February. The dullest month is April (41/100, 61 mm of rain). The full month-by-month picture is in the table below.
How sunny is Vientiane?
Vientiane gets a moderate 2,437 hours of sunshine a year. 51 Sunshine Score points separate January (92) from April (41), so the month you pick matters. Vientiane is the sunniest of the 7 destinations tracked in Laos. Rain has a clear season: the wettest stretch, around August, carries about 54% of the annual 1,215 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 92 | 28° / 82°F | 15° / 59°F | 8 mm | 9 |
| February | 91 | 32° / 90°F | 18° / 64°F | 13 mm | 10 |
| March | 61 | 35° / 95°F | 22° / 72°F | 35 mm | 9 |
| April | 41 | 37° / 99°F | 25° / 77°F | 61 mm | 10 |
| May | 53 | 34° / 93°F | 25° / 77°F | 168 mm | 10 |
| June | 66 | 32° / 90°F | 24° / 75°F | 170 mm | 10 |
| July | 66 | 31° / 88°F | 24° / 75°F | 203 mm | 10 |
| August | 66 | 30° / 86°F | 24° / 75°F | 246 mm | 10 |
| September | 66 | 30° / 86°F | 23° / 73°F | 204 mm | 9 |
| October | 78 | 30° / 86°F | 21° / 70°F | 85 mm | 10 |
| November | 90 | 29° / 84°F | 18° / 64°F | 16 mm | 9 |
| December | 92 | 27° / 81°F | 15° / 59°F | 6 mm | 8 |
See Vientiane on the interactive sunshine globe →
Nearby places for sunshine
- Udon Thani Thailand · 71 km · best in Jan · 2,438 h sun/yr
- Khon Kaen Thailand · 170 km · best in Jan · 2,473 h sun/yr
- Phitsanulok Thailand · 277 km · best in Jan · 2,511 h sun/yr
- Vinh Vietnam · 338 km · best in Feb · 1,406 h sun/yr
- Chiang Rai Thailand · 357 km · best in Feb · 2,393 h sun/yr
- Thanh Hóa Vietnam · 372 km · best in Feb · 1,456 h sun/yr
Nearest destinations
- Xieng Khouang Laos · 174 km · 1,930 h sun/yr · best in Feb
- Luang Phabang Laos · 218 km · 2,082 h sun/yr · best in Feb
- Nakhon Phanom Thailand · 230 km · 2,316 h sun/yr · best in Jan
- Roi Et Thailand · 244 km · 2,479 h sun/yr · best in Dec
Head-to-head
How Vientiane compares month by month: Vientiane vs Khon Kaen · Vientiane vs Udon Thani · Vientiane vs Phitsanulok · all comparisons
Put the Vientiane sunshine badge on your site
A compact badge showing Vientiane's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: