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