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Climate & Weather Averages in Vientiane, Laos

Currently: 75 °F. Rain. Mostly cloudy. (Weather station: Vientiane Airport, Laos). See more current weather

Annual Weather Averages Near Vientiane

Averages are for Vientiane Airport, which is 4 miles from Vientiane.

Based on weather reports collected during 2012–2021.

All Year Climate & Weather Averages in Vientiane

High Temp: 96 °F

Low Temp: 63 °F

Mean Temp: 81 °F

Precipitation: 5.60"

Humidity: 72%

Dew Point: 71 °F

Wind: 6 mph

Pressure: 29.77 "Hg

Visibility: 4 mi

January Climate & Weather Averages in Vientiane

High Temp: 85 °F

Low Temp: 63 °F

Mean Temp: 74 °F

Precipitation: 0.53"

Humidity: 67%

Dew Point: 62 °F

Wind: 6 mph

Pressure: 29.92 "Hg

Visibility: 3 mi

February Climate & Weather Averages in Vientiane

High Temp: 89 °F

Low Temp: 66 °F

Mean Temp: 77 °F

Precipitation: 0.75"

Humidity: 63%

Dew Point: 64 °F

Wind: 6 mph

Pressure: 29.88 "Hg

Visibility: 3 mi

March Climate & Weather Averages in Vientiane

High Temp: 94 °F

Low Temp: 72 °F

Mean Temp: 83 °F

Precipitation: 1.88"

Humidity: 64%

Dew Point: 69 °F

Wind: 6 mph

Pressure: 29.79 "Hg

Visibility: 3 mi

April Climate & Weather Averages in Vientiane

High Temp: 96 °F

Low Temp: 75 °F

Mean Temp: 85 °F

Precipitation: 3.92"

Humidity: 65%

Dew Point: 72 °F

Wind: 7 mph

Pressure: 29.75 "Hg

Visibility: 3 mi

May Climate & Weather Averages in Vientiane

High Temp: 95 °F

Low Temp: 77 °F

Mean Temp: 86 °F

Precipitation: 8.37"

Humidity: 73%

Dew Point: 75 °F

Wind: 7 mph

Pressure: 29.69 "Hg

Visibility: 4 mi

June Climate & Weather Averages in Vientiane

High Temp: 92 °F

Low Temp: 77 °F

Mean Temp: 85 °F

Precipitation: 10.34"

Humidity: 78%

Dew Point: 77 °F

Wind: 6 mph

Pressure: 29.64 "Hg

Visibility: 4 mi

July Climate & Weather Averages in Vientiane

High Temp: 90 °F

Low Temp: 77 °F

Mean Temp: 84 °F

Precipitation: 10.76"

Humidity: 81%

Dew Point: 76 °F

Wind: 6 mph

Pressure: 29.63 "Hg

Visibility: 4 mi

August Climate & Weather Averages in Vientiane

High Temp: 90 °F

Low Temp: 77 °F

Mean Temp: 83 °F

Precipitation: 13.82"

Humidity: 82%

Dew Point: 76 °F

Wind: 6 mph

Pressure: 29.64 "Hg

Visibility: 4 mi

September Climate & Weather Averages in Vientiane

High Temp: 91 °F

Low Temp: 76 °F

Mean Temp: 83 °F

Precipitation: 10.88"

Humidity: 80%

Dew Point: 76 °F

Wind: 6 mph

Pressure: 29.72 "Hg

Visibility: 4 mi

October Climate & Weather Averages in Vientiane

High Temp: 90 °F

Low Temp: 74 °F

Mean Temp: 82 °F

Precipitation: 3.58"

Humidity: 75%

Dew Point: 73 °F

Wind: 6 mph

Pressure: 29.81 "Hg

Visibility: 4 mi

November Climate & Weather Averages in Vientiane

High Temp: 90 °F

Low Temp: 71 °F

Mean Temp: 80 °F

Precipitation: 1.60"

Humidity: 69%

Dew Point: 69 °F

Wind: 6 mph

Pressure: 29.86 "Hg

Visibility: 4 mi

December Climate & Weather Averages in Vientiane

High Temp: 85 °F

Low Temp: 63 °F

Mean Temp: 74 °F

Precipitation: 0.71"

Humidity: 66%

Dew Point: 62 °F

Wind: 6 mph

Pressure: 29.94 "Hg

Visibility: 4 mi

Quick Climate Info

Hottest MonthMay (86 °F avg)
Coldest MonthJanuary (74 °F avg)
Wettest MonthAugust (13.82" avg)
Windiest MonthApril (7 mph avg)
Annual precip.67.16" (per year)

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