Best year time to visit Vientiane

General weather information about Vientiane

Average annual temperature is 26.6 °C

Absolute maximum temperature: 42.1 °C

Absolute minimum temperature: 11.8 °C

Number of sunny days: 164

Number of rainy days: 201

Number of snow days:

Average annual precipitation: 2196 mm

Look at detailed online map of Vientiane

* Weather data for Vientiane Laos is based on climate observations for 2023 year

Vientiane air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 31 35.5 39 39.6 42.1 34.6 34.3 33.6 32.2 31.7 32.9 32.4
Average daytime temperature (°C) 26.4 30.7 33.4 36.5 34.7 31.1 31.1 30 29.8 30.3 30.1 28.7
Average temperature (°C) 21.1 25.2 27.5 31 30 27.5 27.6 26.9 26.4 26.6 25.5 23.8
Average night temperature (°C) 15.5 19.3 21.8 25.8 25.7 24.6 24.6 24.3 23.8 23.1 21.1 19
Absolute minimum temperature (°C) 11.8 13.6 17.5 23.3 23.2 23.7 23.3 23.5 23 21 17.1 12

Vientiane monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 11.4 11.8 12.3 12.8 13.1 13.2 13.2 12.9 12.5 12 11.5 11.1
Daylight mean duration (h) 11.2 11.6 12.1 12.6 13 13.2 13.1 12.7 12.2 11.7 11.3 11.1
Daylight minimum duration (h) 11.1 11.4 11.8 12.3 12.8 13.1 13 12.5 12 11.5 11.1 11.1
Sunshine mean duration (h) 9.7 10.2 10.3 10.9 10.3 8.2 8.9 6.8 7.2 9.6 10.1 10
Precipitation (mm) 1 3 25 34 178 447 376 297 561 262 12 1
Sunny days 30 23 23 19 5 1 1 10 24 28
Rainy days 1 5 8 11 26 30 30 31 29 21 6 3

Vientiane - weather forecast by months

January February March April May June July August September October November December

Best time to visit Vientiane:

The largest precipitation sum in Vientiane is at

  • June — 447(mm)
  • July — 376(mm)
  • August — 297(mm)
  • September — 561(mm)
  • October — 262(mm)

Weather forecast in the closest to Vientiane admin centers