Vang Vieng weather in December
In December, Vang Vieng sees average daytime highs of 25°C and overnight lows near 14°C, with 25 mm of rain across 4.4 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels humid.
Daylight stretches from about 10 h 54 min at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Vang Vieng's 4th-clearest and 5th-windiest month. For the whole year in context, see Vang Vieng's year-round climate.
- Daytime high
- 25°
- 11th warmest
- Overnight low
- 14°
- 2nd coldest
- Rainfall
- 25 mm
- 4.4 wet days
- Daylight
- 10 h 54 min
- 6:40 AM – 5:32 PM
- Cloud cover
- 40%
- 4th clearest
- Wind
- 4 km/h
- 5th windiest
- Solar energy
- 4.13 kWh/m²
- Travel score
- 8.0
- out of 10
Vang Vieng is town in Laos.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 25°C through the month.
A typical December day in Vang Vieng reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 16 |
| 2 | 26 | 16 |
| 3 | 26 | 16 |
| 4 | 26 | 15 |
| 5 | 26 | 15 |
| 6 | 26 | 15 |
| 7 | 26 | 15 |
| 8 | 26 | 15 |
| 9 | 26 | 15 |
| 10 | 26 | 15 |
| 11 | 26 | 15 |
| 12 | 26 | 15 |
| 13 | 25 | 14 |
| 14 | 25 | 14 |
| 15 | 25 | 14 |
| 16 | 25 | 14 |
| 17 | 25 | 14 |
| 18 | 25 | 14 |
| 19 | 25 | 14 |
| 20 | 25 | 14 |
| 21 | 25 | 13 |
| 22 | 25 | 13 |
| 23 | 25 | 13 |
| 24 | 25 | 13 |
| 25 | 25 | 13 |
| 26 | 25 | 13 |
| 27 | 25 | 13 |
| 28 | 25 | 13 |
| 29 | 25 | 13 |
| 30 | 25 | 13 |
| 31 | 25 | 13 |
How December really feels in Vang Vieng
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Vang Vieng weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 14° | 21 | 3.5 | 11 | 8.2 |
| Feb | 27° / 15° | 18 | 3.2 | 11.4 | 7.8 |
| Mar | 29° / 18° | 44 | 7.8 | 11.9 | 6.0 |
| Apr | 30° / 20° | 92 | 15.2 | 12.4 | 4.4 |
| May | 29° / 22° | 250 | 26.7 | 12.9 | 3.2 |
| Jun | 28° / 22° | 394 | 29.2 | 13.1 | 3.0 |
| Jul | 28° / 22° | 537 | 30.3 | 13 | 3.2 |
| Aug | 28° / 22° | 552 | 30.4 | 12.6 | 3.2 |
| Sep | 28° / 21° | 328 | 27.2 | 12.1 | 3.4 |
| Oct | 28° / 20° | 126 | 19.2 | 11.6 | 4.8 |
| Nov | 27° / 17° | 33 | 6.8 | 11.1 | 7.2 |
| Dec | 25° / 14° | 25 | 4.4 | 10.9 | 8.0 |
Cloud cover in December
The sky is clear or mostly clear about 54% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 74 | 73 | 73 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 79 | 78 | 77 | 76 |
| Cloudier (%) | 26 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 23 | 24 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 74 | 26 |
| 2 | 73 | 27 |
| 3 | 73 | 27 |
| 4 | 72 | 28 |
| 5 | 71 | 29 |
| 6 | 71 | 29 |
| 7 | 71 | 29 |
| 8 | 71 | 29 |
| 9 | 71 | 29 |
| 10 | 71 | 29 |
| 11 | 72 | 28 |
| 12 | 72 | 28 |
| 13 | 73 | 27 |
| 14 | 74 | 26 |
| 15 | 75 | 25 |
| 16 | 76 | 24 |
| 17 | 77 | 23 |
| 18 | 78 | 22 |
| 19 | 79 | 21 |
| 20 | 79 | 21 |
| 21 | 80 | 20 |
| 22 | 80 | 20 |
| 23 | 80 | 20 |
| 24 | 80 | 20 |
| 25 | 80 | 20 |
| 26 | 80 | 20 |
| 27 | 80 | 20 |
| 28 | 79 | 21 |
| 29 | 78 | 22 |
| 30 | 77 | 23 |
| 31 | 76 | 24 |
Chance of precipitation in December
Vang Vieng gets around 25 mm of rain over 4.4 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 14% and peaks near 19% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Rain chance (%) | |
|---|---|
| 1 | 19 |
| 2 | 19 |
| 3 | 18 |
| 4 | 18 |
| 5 | 18 |
| 6 | 17 |
| 7 | 17 |
| 8 | 17 |
| 9 | 16 |
| 10 | 16 |
| 11 | 15 |
| 12 | 14 |
| 13 | 14 |
| 14 | 13 |
| 15 | 13 |
| 16 | 12 |
| 17 | 12 |
| 18 | 12 |
| 19 | 12 |
| 20 | 12 |
| 21 | 12 |
| 22 | 12 |
| 23 | 12 |
| 24 | 12 |
| 25 | 12 |
| 26 | 12 |
| 27 | 12 |
| 28 | 12 |
| 29 | 12 |
| 30 | 12 |
| 31 | 12 |
Humidity in December
Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 19 | 21 | 23 | 24 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 27 | 26 |
| Comfortable (%) | 20 | 21 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 32 | 32 | 33 | 34 | 35 | 36 | 37 |
| Humid (%) | 44 | 43 | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Muggy (%) | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Oppressive (%) | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 8 | 20 | 44 | 26 | 2 |
| 2 | 9 | 21 | 43 | 25 | 2 |
| 3 | 9 | 21 | 43 | 24 | 2 |
| 4 | 10 | 22 | 43 | 23 | 2 |
| 5 | 10 | 23 | 43 | 22 | 1 |
| 6 | 11 | 24 | 42 | 21 | 1 |
| 7 | 12 | 25 | 42 | 20 | 1 |
| 8 | 13 | 26 | 41 | 19 | 1 |
| 9 | 14 | 27 | 41 | 18 | 1 |
| 10 | 15 | 27 | 41 | 17 | 1 |
| 11 | 16 | 28 | 40 | 15 | 1 |
| 12 | 17 | 28 | 40 | 14 | 0 |
| 13 | 19 | 28 | 39 | 13 | 0 |
| 14 | 21 | 29 | 38 | 12 | 0 |
| 15 | 23 | 29 | 38 | 11 | 0 |
| 16 | 24 | 29 | 37 | 10 | 0 |
| 17 | 26 | 29 | 36 | 9 | 0 |
| 18 | 27 | 29 | 36 | 9 | 0 |
| 19 | 28 | 29 | 35 | 8 | 0 |
| 20 | 29 | 29 | 35 | 7 | 0 |
| 21 | 29 | 29 | 35 | 7 | 0 |
| 22 | 30 | 30 | 34 | 6 | 0 |
| 23 | 30 | 30 | 34 | 6 | 0 |
| 24 | 30 | 31 | 34 | 5 | 0 |
| 25 | 30 | 32 | 33 | 5 | 0 |
| 26 | 30 | 32 | 33 | 5 | 0 |
| 27 | 29 | 33 | 33 | 5 | 0 |
| 28 | 29 | 34 | 33 | 5 | 0 |
| 29 | 28 | 35 | 33 | 5 | 0 |
| 30 | 27 | 36 | 33 | 5 | 0 |
| 31 | 26 | 37 | 33 | 5 | 0 |
Wind in December
Winds average 4 km/h in December.
Across December, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 3 | calm |
| 2 | 3 | calm |
| 3 | 3 | calm |
| 4 | 3 | calm |
| 5 | 3 | calm |
| 6 | 3 | calm |
| 7 | 3 | calm |
| 8 | 3 | calm |
| 9 | 3 | calm |
| 10 | 3 | calm |
| 11 | 3 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in December
Daylight runs from about 10 h 54 min at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:32 AM to 6:47 AM, and sunset from 5:28 PM to 5:40 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 |
| Sunrise (AM) | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 |
| Sunset (PM) | 5:28 | 5:28 | 5:29 | 5:29 | 5:29 | 5:29 | 5:29 | 5:30 | 5:30 | 5:30 | 5:31 | 5:31 | 5:31 | 5:32 | 5:32 | 5:32 | 5:33 | 5:33 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:36 | 5:36 | 5:37 | 5:37 | 5:38 | 5:39 | 5:39 | 5:40 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.9 | 6:32 | 5:28 |
| 2 | 10.9 | 6:32 | 5:28 |
| 3 | 10.9 | 6:33 | 5:29 |
| 4 | 10.9 | 6:33 | 5:29 |
| 5 | 10.9 | 6:34 | 5:29 |
| 6 | 10.9 | 6:35 | 5:29 |
| 7 | 10.9 | 6:35 | 5:29 |
| 8 | 10.9 | 6:36 | 5:30 |
| 9 | 10.9 | 6:36 | 5:30 |
| 10 | 10.9 | 6:37 | 5:30 |
| 11 | 10.9 | 6:38 | 5:31 |
| 12 | 10.9 | 6:38 | 5:31 |
| 13 | 10.9 | 6:39 | 5:31 |
| 14 | 10.9 | 6:39 | 5:32 |
| 15 | 10.9 | 6:40 | 5:32 |
| 16 | 10.9 | 6:40 | 5:32 |
| 17 | 10.9 | 6:41 | 5:33 |
| 18 | 10.9 | 6:41 | 5:33 |
| 19 | 10.9 | 6:42 | 5:34 |
| 20 | 10.9 | 6:42 | 5:34 |
| 21 | 10.9 | 6:43 | 5:35 |
| 22 | 10.9 | 6:43 | 5:35 |
| 23 | 10.9 | 6:44 | 5:35 |
| 24 | 10.9 | 6:44 | 5:36 |
| 25 | 10.9 | 6:45 | 5:36 |
| 26 | 10.9 | 6:45 | 5:37 |
| 27 | 10.9 | 6:46 | 5:37 |
| 28 | 10.9 | 6:46 | 5:38 |
| 29 | 10.9 | 6:46 | 5:39 |
| 30 | 10.9 | 6:47 | 5:39 |
| 31 | 10.9 | 6:47 | 5:40 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.13 kWh/m².
For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 5.57 kWh/m² in April across the year — December's 4.13 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.1 | Bright |
| 2 | 4.1 | Bright |
| 3 | 4.0 | Bright |
| 4 | 4.0 | Bright |
| 5 | 4.0 | Bright |
| 6 | 4.0 | Bright |
| 7 | 4.0 | Bright |
| 8 | 4.0 | Bright |
| 9 | 4.1 | Bright |
| 10 | 4.1 | Bright |
| 11 | 4.1 | Bright |
| 12 | 4.1 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.2 | Bright |
| 17 | 4.2 | Bright |
| 18 | 4.2 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.2 | Bright |
| 24 | 4.2 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
| 31 | 4.2 | Bright |
Hazard calendar for Vang Vieng
None of Vang Vieng's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Vang Vieng's monsoon runs May–September, when most of the year's rain falls.
Is December a good time to visit Vang Vieng?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit Vang Vieng for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Vang Vieng in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Vang Vieng sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes. About 4 days see rain.
UV index in Vang Vieng in December
Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Vang Vieng peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 11 | 10 | 11 | 13 | 13 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 11 | Extreme |
| Apr | 10 | Very high |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Vang Vieng in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Vang Vieng is worst in April — around 182 µg/m³ PM2.5 (very unhealthy), about 17.8× the cleanest month (September, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 35 | 150 | 182 | 29 | 12 | 12 | 11 | 10 | 11 | 11 | 12 |
| Level | Moderate | Moderate | Unhealthy | Very unhealthy | Moderate | Good | Good | Good | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 35 | Moderate |
| Mar | 150 | Unhealthy |
| Apr | 182 | Very unhealthy |
| May | 29 | Moderate |
| Jun | 12 | Good |
| Jul | 12 | Good |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 12 | Moderate |
Where is Vang Vieng?
Vang Vieng sits at 18.9°N, 102.4°E, 243 m above sea level, in Laos. The nearest listed city is Muang Phônsavan, 98 km away.
Topography around Vang Vieng
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vang Vieng.
Within 3 km, the terrain around Vang Vieng has significant variations in elevation — a maximum elevation change of 415 m around an average of 276 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,653 m.
The land around Vang Vieng is covered by trees (64%) within 3 km, trees (89%) within 16 km, and trees (86%) within 80 km.
Laos travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 23% of US
- price level, 2025
- GDP per capita
- $2,325
- 2025
- Happiness
- 5.5 / 10
- World Happiness, 2025
- Safe drinking water
- 35%
- of population, 2024
- Road deaths
- 17.9
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 461
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Vang Vieng (18.9235°, 102.4478°, elevation 243 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).