Vientiane, Laos Weather

  1. Vientiane, Laos Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Vientiane over the next 12 hours
  7. Temperature and possibility of rain in Vientiane in the coming days
  8. Rainfall in Vientiane in the coming days
  9. Vientiane Weather Summary
  10. Weather averages by month
  11. Vientiane's weather
  12. Frequently asked questions
  13. Comments
Vientiane, Weather
(Photo by Life on the road on Unsplash)

Current conditions

Updated:
27°C
80.6°F
°C °F

Condition: Overcast

Pressure: 992 hPa

Feel like: 32 °C

Temperature: 27°C

Cloud: 95%

Humidity: 82%

Wind: ESE - 6 km/h

Visibility: 18.84 km

Weather forecast

Thu
13 Nov
20°C / 28°C
Overcast
Fri
14 Nov
19°C / 27°C
Overcast
Sat
15 Nov
18°C / 28°C
Overcast
Sun
16 Nov
17°C / 26°C
Overcast
Mon
17 Nov
15°C / 26°C
Overcast
Hourly forecast today:
05:00 AM
24° / 27°
24° / 27°
Overcast
82% 15 km/h
06:00 AM
24° / 27°
24° / 27°
Overcast
81% 16 km/h
07:00 AM
24° / 27°
24° / 27°
Slight Rain Showers
81% 16 km/h
08:00 AM
24° / 27°
24° / 27°
Slight Rain Showers
83% 15 km/h
09:00 AM
24° / 26°
24° / 26°
Slight Rain Showers
85% 14 km/h
10:00 AM
23° / 26°
23° / 26°
Overcast
87% 11 km/h
11:00 AM
23° / 25°
23° / 25°
Overcast
90% 7 km/h
12:00 PM
23° / 25°
23° / 25°
Overcast
92% 5 km/h
13:00 PM
23° / 24°
23° / 24°
Fog
94% 5 km/h
14:00 PM
23° / 24°
23° / 24°
Fog
95% 6 km/h
15:00 PM
23° / 23°
23° / 23°
Fog
96% 7 km/h

30 Day Averages and Extremes

  • Average high 28.0°C
  • Average low 20.7°C
  • Hottest day 31°C (29 October 2025)
  • Coldest day 15°C (17 November 2025)
  • Average humidity 79.03%
  • Days with precipitation 21 days
  • Highest precipitation 75 mm (07 November 2025)

Yesterday's Data

  • Max: 27°C
  • Min: 22°C
  • Total Precipitation: 3 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 27ºC (80.6ºF), consider wearing:
- Sunscreen for skin protection
- Wide-brimmed sun hat
- Open-toed sandals or light sneakers
- Breathable shorts or skirts

Temperature

Early
24°C / 26°C
Morning
24°C / 26°C
Afternoon
23°C / 23°C
Evening
22°C / 23°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

23:15
10:33