Vientiane, Laos Weather

Vientiane,  Weather
(Photo by Life on the road on Unsplash)

Current conditions

Updated:
24°C
75.2°F
°C °F

Condition: Moderate Drizzle

Pressure: 986 hPa

Feel like: 29 °C

Temperature: 24°C

Cloud: 100%

Humidity: 98%

Wind: ENE - 3 km/h

Visibility: 4.58 km

Weather forecast

Sun
28 Jun
24°C / 30°C
Thunderstorm With Slight
Mon
29 Jun
23°C / 30°C
Slight Thunderstorm
Tue
30 Jun
23°C / 31°C
Thunderstorm Heavy Hail
Wed
01 Jul
24°C / 31°C
Slight Thunderstorm
Thu
02 Jul
23°C / 31°C
Thunderstorm With Slight
Hourly forecast today:
22:00 PM
24° / 24°
24° / 24°
Moderate Drizzle
98% 9 km/h
23:00 PM
23° / 24°
23° / 24°
Drizzle
98% 7 km/h
00:00 AM
23° / 24°
23° / 24°
Overcast
94% 7 km/h
01:00 AM
23° / 25°
23° / 25°
Overcast
90% 8 km/h
02:00 AM
23° / 26°
23° / 26°
Overcast
86% 9 km/h
03:00 AM
24° / 27°
24° / 27°
Overcast
83% 8 km/h
04:00 AM
24° / 29°
24° / 29°
Drizzle
74% 20 km/h
05:00 AM
24° / 30°
24° / 30°
Overcast
70% 24 km/h
06:00 AM
24° / 31°
24° / 31°
Slight Thunderstorm
66% 25 km/h
07:00 AM
24° / 32°
24° / 32°
Slight Thunderstorm
64% 25 km/h
08:00 AM
24° / 31°
24° / 31°
Slight Thunderstorm
67% 24 km/h

30 Day Averages and Extremes

  • Average high 30.77°C
  • Average low 23.93°C
  • Hottest day 34°C (24 June 2026)
  • Coldest day 22°C (07 July 2026)
  • Average humidity 84.5%
  • Days with precipitation 30 days
  • Highest precipitation 87 mm (28 June 2026)

Yesterday's Data

  • Max: 33°C
  • Min: 24°C
  • Total Precipitation: 5 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

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 32ºC (89.6ºF), consider wearing:
- Ultra-thin, breathable socks
- Broad-brimmed sun hat
- UV-blocking sunglasses
- Light, natural fabrics (like cotton or linen)

Temperature

Early
24°C / 30°C
Morning
26°C / 29°C
Afternoon
24°C / 25°C
Evening
23°C / 24°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 462
  • CO 188
  • NH3 0
  • NO2 7
  • O3 40
  • PM10 8
  • PM25 8
  • SO2 5
  • CH4 1,436

Sunrise / Sunset

22:36
11:49