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:
26°C
78.8°F
°C °F

Condition: Moderate Drizzle

Pressure: 997 hPa

Feel like: 31 °C

Temperature: 26°C

Cloud: 71%

Humidity: 85%

Wind: S - 5 km/h

Visibility: 4.54 km

Weather forecast

Tue
03 Nov
23°C / 31°C
Drizzle
Wed
04 Nov
23°C / 31°C
Slight Rain Showers
Thu
05 Nov
22°C / 28°C
Slight Thunderstorm
Fri
06 Nov
22°C / 30°C
Drizzle Dense Intensity
Sat
07 Nov
22°C / 30°C
Drizzle
Hourly forecast today:
03:00 AM
23° / 26°
23° / 26°
Moderate Drizzle
85% 21 km/h
04:00 AM
23° / 28°
23° / 28°
Drizzle
76% 24 km/h
05:00 AM
23° / 28°
23° / 28°
Drizzle
73% 23 km/h
06:00 AM
23° / 29°
23° / 29°
Drizzle
70% 20 km/h
07:00 AM
24° / 30°
24° / 30°
Drizzle
70% 19 km/h
08:00 AM
24° / 30°
24° / 30°
Drizzle
69% 16 km/h
09:00 AM
24° / 29°
24° / 29°
Drizzle
73% 19 km/h
10:00 AM
24° / 28°
24° / 28°
Drizzle
81% 15 km/h
11:00 AM
24° / 26°
24° / 26°
Partly Cloudy
89% 12 km/h
12:00 PM
24° / 26°
24° / 26°
Partly Cloudy
90% 3 km/h
13:00 PM
24° / 26°
24° / 26°
Partly Cloudy
91% 4 km/h

30 Day Averages and Extremes

  • Average high 30.87°C
  • Average low 22.53°C
  • Hottest day 33°C (21 October 2026)
  • Coldest day 20°C (10 November 2026)
  • Average humidity 76.13%
  • Days with precipitation 28 days
  • Highest precipitation 62 mm (25 October 2026)

Yesterday's Data

  • Max: 30°C
  • Min: 24°C
  • Total Precipitation: 2 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 31ºC (87.8ºF), consider wearing:
- Lightweight, loose-fitting shorts
- Airy sandals or flip-flops
- Sleeveless tops or vests
- UV-blocking sunglasses

Temperature

Early
23°C / 26°C
Morning
24°C / 29°C
Afternoon
24°C / 25°C
Evening
23°C / 24°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 443
  • CO 230
  • NH3 0
  • NO2 1
  • O3 89
  • PM10 6
  • PM25 5
  • SO2 5
  • CH4 1,396

Sunrise / Sunset

23:09
10:36