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:
24°C
75.2°F
°C °F

Condition: Moderate Drizzle

Pressure: 984 hPa

Feel like: 30 °C

Temperature: 24°C

Cloud: 95%

Humidity: 95%

Wind: WSW - 3 km/h

Visibility: 6.86 km

Weather forecast

Sat
11 Jul
24°C / 31°C
Slight Thunderstorm
Sun
12 Jul
24°C / 30°C
Slight Thunderstorm
Mon
13 Jul
24°C / 30°C
Slight Thunderstorm
Tue
14 Jul
23°C / 27°C
Thunderstorm With Slight
Wed
15 Jul
23°C / 30°C
Slight Thunderstorm
Hourly forecast today:
18:00 PM
23° / 24°
23° / 24°
Moderate Drizzle
95% 18 km/h
19:00 PM
23° / 24°
23° / 24°
Drizzle
95% 15 km/h
20:00 PM
23° / 24°
23° / 24°
Drizzle
95% 13 km/h
21:00 PM
23° / 24°
23° / 24°
Drizzle
94% 14 km/h
22:00 PM
23° / 24°
23° / 24°
Drizzle
94% 14 km/h
23:00 PM
23° / 24°
23° / 24°
Moderate Drizzle
93% 16 km/h
00:00 AM
23° / 24°
23° / 24°
Drizzle
92% 15 km/h
01:00 AM
23° / 24°
23° / 24°
Drizzle
92% 20 km/h
02:00 AM
23° / 25°
23° / 25°
Drizzle
91% 24 km/h
03:00 AM
24° / 25°
24° / 25°
Drizzle Dense Intensity
92% 25 km/h
04:00 AM
24° / 25°
24° / 25°
Slight Rain Showers
93% 23 km/h

30 Day Averages and Extremes

  • Average high 29.47°C
  • Average low 23.67°C
  • Hottest day 34°C (25 June 2026)
  • Coldest day 22°C (21 July 2026)
  • Average humidity 88.5%
  • Days with precipitation 30 days
  • Highest precipitation 92 mm (28 June 2026)

Yesterday's Data

  • Max: 30°C
  • Min: 24°C
  • Total Precipitation: 6 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:
- Thin, moisture-wicking socks
- Lightweight t-shirt or tank top
- Wide-brimmed sun hat
- Sunscreen for skin protection

Temperature

Early
23°C / 27°C
Morning
22°C / 29°C
Afternoon
23°C / 24°C
Evening
23°C / 24°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 467
  • CO 164
  • NH3 0
  • NO2 4
  • O3 38
  • PM10 15
  • PM25 8
  • SO2 2
  • CH4 1,424

Sunrise / Sunset

22:41
11:49