Vieng Xai weather in June
In June, Vieng Xai sees average daytime highs of 29°C and overnight lows near 22°C, with 201 mm of rain across 24.2 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 2% of the time in June, and the air most often feels oppressive.
Daylight stretches from about 13 h 06 min at the start of June to 13 h 12 min by month's end. Set against the rest of the year, June is Vieng Xai's 12th-clearest and 3rd-windiest month. For the whole year in context, see Vieng Xai's year-round climate.
- Daytime high
- 29°
- 1st warmest
- Overnight low
- 22°
- 12th coldest
- Rainfall
- 201 mm
- 24.2 wet days
- Daylight
- 13 h 12 min
- 5:26 AM – 6:40 PM
- Cloud cover
- 91%
- 12th clearest
- Wind
- 6 km/h
- 3rd windiest
- Solar energy
- 4.9 kWh/m²
- Travel score
- 3.2
- out of 10
Temperature in June
Day-to-day highs hold fairly steady near 29°C through the month.
A typical June day in Vieng Xai reaches about 29°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, June runs on par with May and about 1°C warmer than July.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 21 |
| 2 | 29 | 21 |
| 3 | 29 | 21 |
| 4 | 29 | 21 |
| 5 | 29 | 21 |
| 6 | 30 | 22 |
| 7 | 30 | 22 |
| 8 | 30 | 22 |
| 9 | 30 | 22 |
| 10 | 30 | 22 |
| 11 | 30 | 22 |
| 12 | 30 | 22 |
| 13 | 30 | 22 |
| 14 | 30 | 22 |
| 15 | 30 | 22 |
| 16 | 29 | 22 |
| 17 | 29 | 22 |
| 18 | 29 | 22 |
| 19 | 29 | 22 |
| 20 | 29 | 22 |
| 21 | 29 | 22 |
| 22 | 29 | 22 |
| 23 | 29 | 22 |
| 24 | 29 | 22 |
| 25 | 29 | 22 |
| 26 | 29 | 22 |
| 27 | 29 | 22 |
| 28 | 29 | 22 |
| 29 | 29 | 22 |
| 30 | 29 | 22 |
How June really feels in Vieng Xai
Once humidity and wind are folded in, June averages 24 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Vieng Xai weather by month
How June compares with the rest of the year at a glance. June is the 1st-warmest and 4th-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 June
The sky is clear or mostly clear about 2% of the time in June, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 4% of June, with mostly cloudy or overcast conditions the remaining 93%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
| Cloudier (%) | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 8 | 92 |
| 2 | 7 | 93 |
| 3 | 7 | 93 |
| 4 | 7 | 93 |
| 5 | 7 | 93 |
| 6 | 7 | 93 |
| 7 | 7 | 93 |
| 8 | 8 | 92 |
| 9 | 7 | 93 |
| 10 | 7 | 93 |
| 11 | 7 | 93 |
| 12 | 7 | 93 |
| 13 | 7 | 93 |
| 14 | 7 | 93 |
| 15 | 7 | 93 |
| 16 | 7 | 93 |
| 17 | 7 | 93 |
| 18 | 7 | 93 |
| 19 | 7 | 93 |
| 20 | 6 | 94 |
| 21 | 6 | 94 |
| 22 | 6 | 94 |
| 23 | 6 | 94 |
| 24 | 6 | 94 |
| 25 | 6 | 94 |
| 26 | 6 | 94 |
| 27 | 7 | 93 |
| 28 | 7 | 93 |
| 29 | 7 | 93 |
| 30 | 7 | 93 |
Chance of precipitation in June
Vieng Xai gets around 201 mm of rain over 24.2 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 81% and peaks near 82% 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 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 |
| Rain chance (%) | |
|---|---|
| 1 | 82 |
| 2 | 82 |
| 3 | 82 |
| 4 | 82 |
| 5 | 81 |
| 6 | 81 |
| 7 | 81 |
| 8 | 81 |
| 9 | 81 |
| 10 | 81 |
| 11 | 80 |
| 12 | 80 |
| 13 | 80 |
| 14 | 80 |
| 15 | 80 |
| 16 | 80 |
| 17 | 80 |
| 18 | 80 |
| 19 | 80 |
| 20 | 80 |
| 21 | 80 |
| 22 | 81 |
| 23 | 81 |
| 24 | 81 |
| 25 | 81 |
| 26 | 81 |
| 27 | 81 |
| 28 | 81 |
| 29 | 81 |
| 30 | 81 |
Humidity in June
Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 99% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 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 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 34 | 34 | 33 | 33 | 32 | 32 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 |
| Oppressive (%) | 58 | 60 | 60 | 61 | 61 | 62 | 62 | 63 | 63 | 63 | 64 | 65 | 65 | 66 | 66 | 67 | 67 | 68 | 68 | 68 | 69 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 69 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 1 | 4 | 37 | 58 |
| 2 | 1 | 3 | 36 | 60 |
| 3 | 1 | 3 | 36 | 60 |
| 4 | 1 | 2 | 36 | 61 |
| 5 | 1 | 2 | 36 | 61 |
| 6 | 0 | 2 | 36 | 62 |
| 7 | 0 | 2 | 36 | 62 |
| 8 | 0 | 1 | 36 | 63 |
| 9 | 0 | 1 | 36 | 63 |
| 10 | 0 | 1 | 36 | 63 |
| 11 | 0 | 1 | 35 | 64 |
| 12 | 0 | 1 | 34 | 65 |
| 13 | 0 | 1 | 34 | 65 |
| 14 | 0 | 1 | 33 | 66 |
| 15 | 0 | 1 | 33 | 66 |
| 16 | 0 | 1 | 32 | 67 |
| 17 | 0 | 1 | 32 | 67 |
| 18 | 0 | 1 | 31 | 68 |
| 19 | 0 | 1 | 31 | 68 |
| 20 | 0 | 1 | 31 | 68 |
| 21 | 0 | 1 | 30 | 69 |
| 22 | 0 | 0 | 30 | 70 |
| 23 | 0 | 0 | 30 | 70 |
| 24 | 0 | 0 | 30 | 70 |
| 25 | 0 | 0 | 30 | 70 |
| 26 | 0 | 0 | 31 | 69 |
| 27 | 0 | 0 | 31 | 69 |
| 28 | 0 | 0 | 31 | 69 |
| 29 | 0 | 0 | 31 | 69 |
| 30 | 0 | 0 | 31 | 69 |
Wind in June
Winds average 6 km/h in June.
Across June, daily wind ranges from about 5 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 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 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 | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | 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 |
| 29 | 6 | calm |
| 30 | 6 | calm |
Sunrise & sunset in June
Daylight runs from about 13 h 06 min at the start of June to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over June. Sunrise moves from 5:26 AM to 5:29 AM, and sunset from 6:35 PM to 6:43 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.1 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 |
| Sunrise (AM) | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:27 | 5:27 | 5:27 | 5:27 | 5:27 | 5:27 | 5:28 | 5:28 | 5:28 | 5:28 | 5:29 | 5:29 | 5:29 | 5:29 |
| Sunset (PM) | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:43 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.1 | 5:26 | 6:35 |
| 2 | 13.2 | 5:26 | 6:35 |
| 3 | 13.2 | 5:26 | 6:36 |
| 4 | 13.2 | 5:26 | 6:36 |
| 5 | 13.2 | 5:26 | 6:37 |
| 6 | 13.2 | 5:26 | 6:37 |
| 7 | 13.2 | 5:26 | 6:37 |
| 8 | 13.2 | 5:26 | 6:38 |
| 9 | 13.2 | 5:26 | 6:38 |
| 10 | 13.2 | 5:26 | 6:38 |
| 11 | 13.2 | 5:26 | 6:39 |
| 12 | 13.2 | 5:26 | 6:39 |
| 13 | 13.2 | 5:26 | 6:39 |
| 14 | 13.2 | 5:26 | 6:40 |
| 15 | 13.2 | 5:26 | 6:40 |
| 16 | 13.2 | 5:26 | 6:40 |
| 17 | 13.2 | 5:27 | 6:40 |
| 18 | 13.2 | 5:27 | 6:41 |
| 19 | 13.2 | 5:27 | 6:41 |
| 20 | 13.2 | 5:27 | 6:41 |
| 21 | 13.2 | 5:27 | 6:42 |
| 22 | 13.2 | 5:27 | 6:42 |
| 23 | 13.2 | 5:28 | 6:42 |
| 24 | 13.2 | 5:28 | 6:42 |
| 25 | 13.2 | 5:28 | 6:42 |
| 26 | 13.2 | 5:28 | 6:42 |
| 27 | 13.2 | 5:29 | 6:43 |
| 28 | 13.2 | 5:29 | 6:43 |
| 29 | 13.2 | 5:29 | 6:43 |
| 30 | 13.2 | 5:29 | 6:43 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 4.9 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 — June's 4.9 kWh/m² sits near the top of that range.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.9 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.9 | Bright |
| 7 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 4.9 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.9 | Bright |
| 14 | 4.9 | Bright |
| 15 | 4.9 | Bright |
| 16 | 4.9 | Bright |
| 17 | 4.9 | Bright |
| 18 | 4.9 | Bright |
| 19 | 4.9 | Bright |
| 20 | 4.9 | Bright |
| 21 | 4.9 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.8 | Bright |
| 24 | 4.8 | Bright |
| 25 | 4.8 | Bright |
| 26 | 4.8 | Bright |
| 27 | 4.8 | Bright |
| 28 | 4.8 | Bright |
| 29 | 4.8 | Bright |
| 30 | 4.8 | Bright |
Hazard calendar for Vieng Xai
In June, Vieng Xai sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
Vieng Xai's monsoon runs May–September, when most of the year's rain falls.
Is June a good time to visit Vieng Xai?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a weaker month for outdoor sightseeing in Vieng Xai.
What to pack for Vieng Xai in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Vieng Xai sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.
UV index in Vieng Xai in June
Clear-sky midday UV in June peaks around 14 (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 June
Average fine-particle pollution (PM2.5) through the year — so you can see where June 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).