Climate & Weather in Vientiane, 🇱🇦 Laos - Monthly Averages, Forecast & Air Quality
🇱🇦 Vientiane,
Laos
#657
Nomad Score
5.7
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17.9640988, 102.6133707
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CURRENT CONDITIONS
Temperature
29.4°C
/
24.2°C
Feels Like
33.6°C / 27.8°C
Weather
⛈️ Thunderstorm
Humidity
%
Wind
13.5 km/h
(gusts 27.7)
UV Index
1.0
Sunrise / Sunset
05:57
/
18:12
Daylight
12.3 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Mon 14 Sep | ⛈️ Thunderstorm | 29.4° | 24.2° | 94% |
| Tue 15 Sep | 🌧️ Moderate drizzle | 29.0° | 23.4° | 75% |
| Wed 16 Sep | ⛈️ Thunderstorm | 29.3° | 23.4° | 83% |
| Thu 17 Sep | ⛈️ Thunderstorm | 28.1° | 23.4° | 90% |
| Fri 18 Sep | ⛈️ Thunderstorm | 29.8° | 23.4° | 92% |
| Sat 19 Sep | ⛈️ Thunderstorm | 31.1° | 23.0° | 96% |
| Sun 20 Sep | ⛈️ Thunderstorm | 31.7° | 24.0° | 67% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| January | Excellent | 27.0°C | 16.7°C | 1.5 |
| December | Excellent | 27.7°C | 18.1°C | 0.4 |
| February | Excellent | 29.5°C | 19.2°C | 2.6 |
| November | Good | 29.8°C | 21.1°C | 4.4 |
| March | Good | 32.3°C | 22.2°C | 6.8 |
| October | Good | 30.4°C | 22.9°C | 14.5 |
| July | Fair | 30.7°C | 24.6°C | 25.7 |
| April | Fair | 34.2°C | 24.5°C | 8.6 |
| September | Fair | 30.0°C | 23.9°C | 28.2 |
| August | Fair | 30.7°C | 24.4°C | 25.4 |
| June | Fair | 31.3°C | 24.8°C | 25.4 |
| May | Fair | 32.9°C | 25.0°C | 21.9 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
55
🟡 Moderate
US Air Quality Index
European AQI: 24
PM2.5
6.9 µg/m³
PM10
7.0 µg/m³
Ozone
50.0 µg/m³
NO₂
6.2 µg/m³
SO₂
4.4 µg/m³
CO
250.0 µg/m³
UV Index
0.0
Dust
0.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 27.0° | 16.7° | 21.7° | 28.4° | 16.7° | 9.9 mm | 1.5 | 0.0 cm | 322.4 hrs | 11.2 hrs | - | 64.1% | 14.1 km/h | 26.8% |
| Feb | 29.5° | 19.2° | 24.2° | 31.8° | 20.1° | 24.5 mm | 2.6 | 0.0 cm | 282.8 hrs | 11.6 hrs | - | 64.7% | 14.3 km/h | 29.2% |
| Mar | 32.3° | 22.2° | 27.0° | 35.8° | 24.5° | 40.3 mm | 6.8 | 0.0 cm | 313.1 hrs | 12.0 hrs | - | 65.9% | 14.3 km/h | 38.2% |
| Apr | 34.2° | 24.5° | 29.1° | 38.8° | 28.2° | 79.6 mm | 8.6 | 0.0 cm | 315.0 hrs | 12.6 hrs | - | 66.4% | 13.7 km/h | 51.6% |
| May | 32.9° | 25.0° | 28.6° | 38.6° | 29.5° | 243.6 mm | 21.9 | 0.0 cm | 294.5 hrs | 13.0 hrs | - | 75.9% | 13.1 km/h | 75.5% |
| Jun | 31.3° | 24.8° | 27.7° | 37.7° | 29.9° | 349.7 mm | 25.4 | 0.0 cm | 249.0 hrs | 13.2 hrs | - | 84.1% | 11.8 km/h | 92.1% |
| Jul | 30.7° | 24.6° | 27.3° | 37.1° | 29.7° | 390.8 mm | 25.7 | 0.0 cm | 254.2 hrs | 13.1 hrs | - | 85.3% | 12.2 km/h | 89.3% |
| Aug | 30.7° | 24.4° | 27.2° | 37.2° | 29.3° | 356.6 mm | 25.4 | 0.0 cm | 241.8 hrs | 12.7 hrs | - | 85.6% | 11.8 km/h | 89.7% |
| Sep | 30.0° | 23.9° | 26.6° | 36.7° | 28.4° | 468.9 mm | 28.2 | 0.0 cm | 240.0 hrs | 12.2 hrs | - | 87.0% | 12.4 km/h | 87.3% |
| Oct | 30.4° | 22.9° | 26.4° | 35.8° | 26.4° | 162.3 mm | 14.5 | 0.0 cm | 313.1 hrs | 11.7 hrs | - | 78.3% | 12.0 km/h | 65.1% |
| Nov | 29.8° | 21.1° | 25.3° | 33.3° | 23.0° | 39.2 mm | 4.4 | 0.0 cm | 300.0 hrs | 11.3 hrs | - | 68.7% | 13.2 km/h | 48.5% |
| Dec | 27.7° | 18.1° | 22.7° | 29.5° | 18.4° | 3.9 mm | 0.4 | 0.0 cm | 313.1 hrs | 11.1 hrs | - | 65.2% | 14.6 km/h | 32.6% |