Vieng Xai weather in February
In February, Vieng Xai sees average daytime highs of 22°C and overnight lows near 12°C, with 14 mm of rain across 3.8 wet days and about 11.3 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 34% of the time in February, and the air most often feels dry.
Daylight stretches from about 11 h 06 min at the start of February to 11 h 30 min by month's end. Set against the rest of the year, February is Vieng Xai's 2nd-clearest and 1st-windiest month. For the whole year in context, see Vieng Xai's year-round climate.
- Daytime high
- 22°
- 10th warmest
- Overnight low
- 12°
- 3rd coldest
- Rainfall
- 14 mm
- 3.8 wet days
- Daylight
- 11 h 18 min
- 6:39 AM – 5:57 PM
- Cloud cover
- 57%
- 2nd clearest
- Wind
- 6 km/h
- 1st windiest
- Solar energy
- 4 kWh/m²
- Travel score
- 7.6
- out of 10
Temperature in February
Highs climb over the month, from about 21°C in the first days to 24°C by the end.
A typical February day in Vieng Xai reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 29°C. Set against its neighbours, February runs about 2°C warmer than January and about 3°C cooler than March.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg low (°C) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 20 | 11 |
| 2 | 21 | 11 |
| 3 | 21 | 11 |
| 4 | 21 | 11 |
| 5 | 21 | 11 |
| 6 | 21 | 11 |
| 7 | 21 | 11 |
| 8 | 21 | 11 |
| 9 | 22 | 12 |
| 10 | 22 | 12 |
| 11 | 22 | 12 |
| 12 | 22 | 12 |
| 13 | 22 | 12 |
| 14 | 22 | 12 |
| 15 | 23 | 12 |
| 16 | 23 | 12 |
| 17 | 23 | 12 |
| 18 | 23 | 12 |
| 19 | 23 | 13 |
| 20 | 23 | 13 |
| 21 | 23 | 13 |
| 22 | 23 | 13 |
| 23 | 24 | 13 |
| 24 | 24 | 13 |
| 25 | 24 | 13 |
| 26 | 24 | 13 |
| 27 | 24 | 13 |
| 28 | 24 | 13 |
How February really feels in Vieng Xai
Once humidity and wind are folded in, February 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.
February sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Vieng Xai weather by month
How February compares with the rest of the year at a glance. February is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 20° / 11° | 22 | 4.4 | 10.9 | 7.0 |
| Feb | 22° / 12° | 14 | 3.8 | 11.3 | 7.6 |
| Mar | 25° / 15° | 60 | 10.6 | 11.9 | 6.8 |
| Apr | 28° / 18° | 109 | 17.7 | 12.5 | 5.1 |
| May | 29° / 20° | 205 | 23.2 | 13 | 3.7 |
| Jun | 29° / 22° | 201 | 24.2 | 13.2 | 3.2 |
| Jul | 29° / 22° | 264 | 26.2 | 13.1 | 3.3 |
| Aug | 28° / 21° | 302 | 26.8 | 12.7 | 3.6 |
| Sep | 27° / 20° | 193 | 20.1 | 12.1 | 4.7 |
| Oct | 25° / 18° | 91 | 14.2 | 11.5 | 6.1 |
| Nov | 23° / 15° | 32 | 6.3 | 11 | 7.3 |
| Dec | 20° / 11° | 19 | 4.2 | 10.8 | 7.1 |
Cloud cover in February
The sky is clear or mostly clear about 34% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 18% of February, with mostly cloudy or overcast conditions the remaining 48%. 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 43 | 44 | 45 | 45 | 47 | 48 | 48 | 49 | 49 | 50 | 50 | 51 | 51 | 52 | 53 | 53 | 53 | 54 | 54 | 54 | 54 | 55 | 56 | 56 | 56 | 58 | 58 | 58 |
| Cloudier (%) | 57 | 56 | 55 | 55 | 53 | 52 | 52 | 51 | 51 | 50 | 50 | 49 | 49 | 48 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 45 | 44 | 44 | 44 | 42 | 42 | 42 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 43 | 57 |
| 2 | 44 | 56 |
| 3 | 45 | 55 |
| 4 | 45 | 55 |
| 5 | 47 | 53 |
| 6 | 48 | 52 |
| 7 | 48 | 52 |
| 8 | 49 | 51 |
| 9 | 49 | 51 |
| 10 | 50 | 50 |
| 11 | 50 | 50 |
| 12 | 51 | 49 |
| 13 | 51 | 49 |
| 14 | 52 | 48 |
| 15 | 53 | 47 |
| 16 | 53 | 47 |
| 17 | 53 | 47 |
| 18 | 54 | 46 |
| 19 | 54 | 46 |
| 20 | 54 | 46 |
| 21 | 54 | 46 |
| 22 | 55 | 45 |
| 23 | 56 | 44 |
| 24 | 56 | 44 |
| 25 | 56 | 44 |
| 26 | 58 | 42 |
| 27 | 58 | 42 |
| 28 | 58 | 42 |
Chance of precipitation in February
Vieng Xai gets around 14 mm of rain over 3.8 wet days in February, the driest month. 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 18% on the wettest days.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 |
| Rain chance (%) | |
|---|---|
| 1 | 14 |
| 2 | 13 |
| 3 | 13 |
| 4 | 13 |
| 5 | 13 |
| 6 | 12 |
| 7 | 12 |
| 8 | 12 |
| 9 | 12 |
| 10 | 13 |
| 11 | 13 |
| 12 | 13 |
| 13 | 13 |
| 14 | 14 |
| 15 | 14 |
| 16 | 14 |
| 17 | 15 |
| 18 | 15 |
| 19 | 15 |
| 20 | 15 |
| 21 | 16 |
| 22 | 16 |
| 23 | 16 |
| 24 | 17 |
| 25 | 17 |
| 26 | 17 |
| 27 | 17 |
| 28 | 18 |
Humidity in February
Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the dry band about 49% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 62 | 61 | 61 | 61 | 60 | 59 | 58 | 57 | 57 | 56 | 55 | 54 | 54 | 52 | 51 | 48 | 47 | 45 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 37 | 36 | 35 |
| Comfortable (%) | 32 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 |
| Humid (%) | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 24 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 62 | 32 | 6 | 0 |
| 2 | 61 | 33 | 6 | 0 |
| 3 | 61 | 33 | 6 | 0 |
| 4 | 61 | 33 | 6 | 0 |
| 5 | 60 | 34 | 6 | 0 |
| 6 | 59 | 34 | 7 | 0 |
| 7 | 58 | 35 | 7 | 0 |
| 8 | 57 | 35 | 8 | 0 |
| 9 | 57 | 35 | 8 | 0 |
| 10 | 56 | 35 | 9 | 0 |
| 11 | 55 | 35 | 10 | 0 |
| 12 | 54 | 35 | 11 | 0 |
| 13 | 54 | 35 | 11 | 0 |
| 14 | 52 | 36 | 12 | 0 |
| 15 | 51 | 36 | 13 | 0 |
| 16 | 48 | 37 | 14 | 1 |
| 17 | 47 | 38 | 15 | 1 |
| 18 | 45 | 38 | 16 | 1 |
| 19 | 43 | 39 | 17 | 1 |
| 20 | 42 | 39 | 18 | 1 |
| 21 | 41 | 39 | 19 | 1 |
| 22 | 40 | 39 | 20 | 1 |
| 23 | 39 | 39 | 20 | 2 |
| 24 | 38 | 39 | 21 | 2 |
| 25 | 37 | 39 | 22 | 2 |
| 26 | 37 | 39 | 22 | 2 |
| 27 | 36 | 39 | 23 | 2 |
| 28 | 35 | 39 | 24 | 2 |
Wind in February
Winds average 6 km/h in February, the windiest month of the year.
Across February, daily wind ranges from about 6 km/h on the calmest days to 6 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
Sunrise & sunset in February
Daylight runs from about 11 h 06 min at the start of February to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 24 minutes over February. Sunrise moves from 6:44 AM to 6:30 AM, and sunset from 5:49 PM to 6:03 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 |
| Sunrise (AM) | 6:44 | 6:44 | 6:44 | 6:43 | 6:43 | 6:43 | 6:42 | 6:42 | 6:41 | 6:41 | 6:40 | 6:40 | 6:40 | 6:39 | 6:39 | 6:38 | 6:37 | 6:37 | 6:36 | 6:36 | 6:35 | 6:34 | 6:34 | 6:33 | 6:32 | 6:32 | 6:31 | 6:30 |
| Sunset (PM) | 5:49 | 5:50 | 5:50 | 5:51 | 5:51 | 5:52 | 5:53 | 5:53 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.1 | 6:44 | 5:49 |
| 2 | 11.1 | 6:44 | 5:50 |
| 3 | 11.1 | 6:44 | 5:50 |
| 4 | 11.1 | 6:43 | 5:51 |
| 5 | 11.1 | 6:43 | 5:51 |
| 6 | 11.2 | 6:43 | 5:52 |
| 7 | 11.2 | 6:42 | 5:53 |
| 8 | 11.2 | 6:42 | 5:53 |
| 9 | 11.2 | 6:41 | 5:54 |
| 10 | 11.2 | 6:41 | 5:54 |
| 11 | 11.2 | 6:40 | 5:55 |
| 12 | 11.3 | 6:40 | 5:55 |
| 13 | 11.3 | 6:40 | 5:56 |
| 14 | 11.3 | 6:39 | 5:56 |
| 15 | 11.3 | 6:39 | 5:57 |
| 16 | 11.3 | 6:38 | 5:57 |
| 17 | 11.3 | 6:37 | 5:58 |
| 18 | 11.4 | 6:37 | 5:58 |
| 19 | 11.4 | 6:36 | 5:59 |
| 20 | 11.4 | 6:36 | 5:59 |
| 21 | 11.4 | 6:35 | 6:00 |
| 22 | 11.4 | 6:34 | 6:00 |
| 23 | 11.4 | 6:34 | 6:01 |
| 24 | 11.5 | 6:33 | 6:01 |
| 25 | 11.5 | 6:32 | 6:02 |
| 26 | 11.5 | 6:32 | 6:02 |
| 27 | 11.5 | 6:31 | 6:02 |
| 28 | 11.5 | 6:30 | 6:03 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 4 kWh/m².
For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 5.2 kWh/m² in April across the year — February's 4 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.5 | 3.6 | 3.6 | 3.7 | 3.7 | 3.7 | 3.8 | 3.8 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.5 | Moderate |
| 2 | 3.6 | Moderate |
| 3 | 3.6 | Moderate |
| 4 | 3.7 | Moderate |
| 5 | 3.7 | Moderate |
| 6 | 3.7 | Moderate |
| 7 | 3.8 | Moderate |
| 8 | 3.8 | Moderate |
| 9 | 3.9 | Moderate |
| 10 | 3.9 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 4.0 | Moderate |
| 13 | 4.0 | Moderate |
| 14 | 4.0 | Bright |
| 15 | 4.0 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.3 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.4 | Bright |
Hazard calendar for Vieng Xai
None of Vieng Xai's seasonal hazards are active in February. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Vieng Xai's monsoon runs May–September, when most of the year's rain falls.
Is February a good time to visit Vieng Xai?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is one of the better times to visit Vieng Xai for general sightseeing.
What to pack for Vieng Xai in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Vieng Xai sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes. About 4 days see rain.
UV index in Vieng Xai in February
Clear-sky midday UV in February peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Vieng Xai peaks around August 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (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 | 9 | 10 | 9 | 10 | 14 | 13 | 14 | 10 | 9 | 8 | 7 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 9 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 10 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 10 | Very high |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Vieng Xai in February
Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.
Air quality in Vieng Xai is worst in April — around 288 µg/m³ PM2.5 (very unhealthy), about 35.5× the cleanest month (August, 8 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) | 20 | 28 | 98 | 288 | 64 | 14 | 9 | 8 | 11 | 15 | 15 | 19 |
| Level | Moderate | Moderate | Unhealthy | Very unhealthy | Unhealthy | Moderate | Good | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 28 | Moderate |
| Mar | 98 | Unhealthy |
| Apr | 288 | Very unhealthy |
| May | 64 | Unhealthy |
| Jun | 14 | Moderate |
| Jul | 9 | Good |
| Aug | 8 | Good |
| Sep | 11 | Good |
| Oct | 15 | Moderate |
| Nov | 15 | Moderate |
| Dec | 19 | Moderate |
Where is Vieng Xai?
Vieng Xai sits at 20.4°N, 104.2°E, 0 m above sea level, in Laos. The nearest listed city is Xam Nua, 19 km away.
Topography around Vieng Xai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vieng Xai.
Within 3 km, the terrain around Vieng Xai has large variations in elevation — a maximum elevation change of 661 m around an average of 915 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,259 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,998 m.
The land around Vieng Xai is covered by trees (65%) and grassland (25%) within 3 km, trees (86%) within 16 km, and trees (82%) 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 Vieng Xai (20.4068°, 104.2238°, elevation 0 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).