Rainfall in Vientiane, Laos Average Precipitation and Wet Days
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Climate & Temperature > Laos > Vientiane Climate > Precipitation/ Rainfall
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- Vientiane admits on average 1648.7 mm (64.9 in) of rainfall per year, or 137.4 mm (5.4 in) per month.
- On average there are 111 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 9.3 days with a quantity of rain, sleet, snow etc. per month.
- The driest weather is in December when an average of 2.8 mm (0.1 in) of rainfall (precipitation) occurs.
- The wettest weather is in August when an average of 322.5 mm (12.7 in) of rainfall (precipitation) occurs.
Precipitation Table
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | Average Precipitation mm (in) | 5.6 (0.22) | 12.2 (0.5) | 35.6 (1.4) | 84.6 (3.3) | 254.6 (10) | 273 (10.7) | 265.6 (10.5) | 322.5 (12.7) | 295 (11.6) | 87.3 (3.4) | 9.9 (0.4) | 2.8 (0.1) | 1648.7 (64.9) | |
![]() | Precipitation Litres/m² (Gallons/ft²) | 5.6 (0.14) | 12.2 (0.3) | 35.6 (0.87) | 84.6 (2.08) | 254.6 (6.24) | 273 (6.7) | 265.6 (6.51) | 322.5 (7.91) | 295 (7.24) | 87.3 (2.14) | 9.9 (0.24) | 2.8 (0.07) | 1648.7 (40.44) | |
![]() | Number of Wet Days (probability of rain on a day) | 2 (6%) | 2 (7%) | 4 (13%) | 9 (30%) | 16 (52%) | 19 (63%) | 17 (55%) | 19 (61%) | 15 (50%) | 6 (19%) | 2 (7%) | 0 (0%) | 111 (30%) | |
![]() | Percentage of Sunny (Cloudy) Daylight Hours | 70 (30) | 59 (41) | 58 (42) | 57 (43) | 49 (51) | 30 (70) | 39 (61) | 38 (62) | 46 (54) | 68 (32) | 71 (29) | 75 (25) | 55 (45) |
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Precipitation Nearby Vientiane, Laos
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