Vientiane, Laos Weather
- Vientiane, Laos Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in Vientiane over the next 12 hours
- Temperature and possibility of rain in Vientiane in the coming days
- Rainfall in Vientiane in the coming days
- Vientiane Weather Summary
- Weather averages by month
- Vientiane's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Overcast
Pressure: 992 hPa
Feel like: 28 °C
Temperature: 23°C
Cloud: 84%
Humidity: 97%
Wind: ESE - 9 km/h
Visibility: 8.32 km
30 Day Averages and Extremes
- Average high 29.07°C
- Average low 22.63°C
- Hottest day 32°C (03 September 2026)
- Coldest day 22°C (09 September 2026)
- Average humidity 87.67%
- Days with precipitation 30 days
- Highest precipitation 87 mm (15 September 2026)
Yesterday's Data
- Max: 27°C
- Min: 22°C
- Total Precipitation: 82 mm
Temperature and possibility of rain in Vientiane over the next 12 hours
Temperature and possibility of rain in Vientiane in the coming days
Rainfall in Vientiane in the coming days
Vientiane Climate Summary
Vientiane features a Tropical wet and dry or savanna (Köppen classification: Aw), with an average annual temperature of 28.39ºC (83.1ºF), which is about 3.0% higher than the national average for Laos. Annually, the city experiences approximately 91.73 millimeters (3.61 inches) of rainfall, spread across 129.54 rainy days, accounting for 35.49% of the year.
| Longitude | 18.110541 |
| Latitude | 102.5298028 |
| Yearly high temperature | 32.14ºC (89.85ºF) |
| Yearly low temperature | 22.6ºC (72.68ºF) |
| Hottest month | April 37.48ºC (99.46ºF) |
| Coldest month | January 17.6ºC (63.68ºF) |
| Yearly precip | 91.73mm (3.61in) |
| Days with rainfall | 129.54 days (35.49%) |
| Driest month | February (46.67%) |
| Wettest month | August (83.66%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | 29.06° / 17.6° | 1.73 days |
| February | 33.04° / 20.19° | 1.27 days |
| March | 35.81° / 24.1° | 4.45 days |
| April | 37.48° / 26.45° | 7.73 days |
| May | 35.33° / 26.48° | 16.45 days |
| June | 32.43° / 25.28° | 18.36 days |
| July | 30.9° / 24.34° | 22.82 days |
| August | 30.63° / 23.97° | 22.0 days |
| September | 31.25° / 23.53° | 21.64 days |
| October | 30.66° / 21.78° | 9.91 days |
| November | 30.55° / 20.24° | 2.45 days |
| December | 28.56° / 17.21° | 0.73 days |
Vientiane's weather
Frequently asked questions
1. What is the hottest month in Vientiane?
April has the highest average monthly temperature (daily mean of 37.48ºC) and January are the coolest (daily mean of 17.6ºC).
2. What should I wear in Vientiane today?
For today's very hot weather in Vientiane, with the high temperatures above 30ºC (86.0ºF), consider wearing:
- Sleeveless tops or vests
- Light, natural fabrics (like cotton or linen)
- Lightweight, loose-fitting shorts
- Airy sandals or flip-flops
Temperature
Air quality
Satisfactory air quality, minimal pollution, low risk
- CO2 443
- CO 312
- NH3 0
- NO2 5
- O3 55
- PM10 6
- PM25 5
- SO2 3
- CH4 1,518