Vientiane, Laos Climate

Weather: 34.94°C/94.89°F, Wind SW at 0.45 km/h, 41% Humidity, 0% Chance of rain

Laos
(Photo by Molydar SOUAMA on Unsplash)
Contents

Vientiane Climate Summary

Located at an elevation of 170.85 meters (560.53 feet) above sea level, Vientiane has a Tropical wet and dry or savanna climate (Classification: Aw). The city’s yearly temperature is 28.39ºC (83.1ºF) and it is 3.0% higher than Laos’s averages. Vientiane typically receives about 91.73 millimeters (3.61 inches) of precipitation and has 129.54 rainy days (35.49% of the time) annually.

CountryLaos
Longitude102.5298028
Latitude18.110541
Attitude/Elevation170.85m (560.53ft)
Local timeWednesday 00:44
Annual high temperature32.14ºC (89.85ºF)
Annual low temperature22.6ºC (72.68ºF)
Average annual precip.91.73mm (3.61in)
Warmest monthApril (37.48ºC / 99.46ºF)
Coldest MonthDecember (17.21ºC / 62.98ºF)
Wettest MonthAugust (281.61mm / 11.09in)
Driest MonthFebruary (3.44mm / 0.14in)
Number of days with rainfall (≥ 1.0 mm)129.54 days (35.49%)
Days with no rain235.46 days (64.51%)
Humidity66.28%

Climate Vientiane: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)36.0(96.8)42.0(107.6)43.0(109.4)44.0(111.2)43.0(109.4)39.0(102.2)38.0(100.4)36.0(96.8)35.0(95.0)35.0(95.0)35.0(95.0)34.0(93.2)44.0(111.2)
Average high °C (°F)29.06(84.31)33.04(91.47)35.81(96.46)37.48(99.46)35.33(95.59)32.43(90.37)30.9(87.62)30.63(87.13)31.25(88.25)30.66(87.19)30.55(86.99)28.56(83.41)32.14(89.85)
Daily mean °C (°F)24.38(75.88)27.84(82.11)31.26(88.27)33.31(91.96)32.08(89.74)29.7(85.46)28.27(82.89)27.86(82.15)28.2(82.76)27.32(81.18)26.54(79.77)23.91(75.04)28.39(83.1)
Average low °C (°F)17.6(63.68)20.19(68.34)24.1(75.38)26.45(79.61)26.48(79.66)25.28(77.5)24.34(75.81)23.97(75.15)23.53(74.35)21.78(71.2)20.24(68.43)17.21(62.98)22.6(72.68)
Record low °C (°F)9.0(48.2)11.0(51.8)14.0(57.2)18.0(64.4)22.0(71.6)22.0(71.6)22.0(71.6)17.0(62.6)20.0(68.0)13.0(55.4)12.0(53.6)9.0(48.2)9.0(48.2)
Average precipitation mm (inches)7.97(0.31)3.44(0.14)16.85(0.66)35.46(1.4)108.39(4.27)152.02(5.99)213.45(8.4)281.61(11.09)186.64(7.35)76.85(3.03)13.42(0.53)4.65(0.18)91.73(3.61)
Average precipitation days (≥ 1.0 mm)1.731.274.457.7316.4518.3622.8222.021.649.912.450.7310.79
Average relative humidity (%)59.3546.6742.8148.2463.2875.4381.7983.6682.4977.670.4163.6766.28
Mean monthly sunshine hours8.911.4711.2112.2912.4111.8411.3311.1811.488.168.58.410.6

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Vientiane in recent years.

Vientiane

Vientiane Temperature by Month

April
33.31°C | 91.96°F
May
32.08°C | 89.74°F
March
31.26°C | 88.27°F
June
29.7°C | 85.46°F
July
28.27°C | 82.89°F
September
28.2°C | 82.76°F
August
27.86°C | 82.15°F
February
27.84°C | 82.11°F
October
27.32°C | 81.18°F
November
26.54°C | 79.77°F
January
24.38°C | 75.88°F
December
23.91°C | 75.04°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature36.0°C (96.8°F)32.93°C (91.27°F)27.0°C (80.6°F)
Avg Temperature33.0°C (91.4°F)30.37°C (86.67°F)26.0°C (78.8°F)
Min Temperature29.0°C (84.2°F)26.23°C (79.21°F)25.0°C (77.0°F)
Dew PointMaxAverageMin
Dew Point25.0°C (77.0°F)23.93°C (75.07°F)23.0°C (73.4°F)
PrecipitationMaxAverageMinSum
Precipitation39.0mm | 1.54in10.25mm | 0.4in0.0mm | 0in307.6mm | 12.11in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind9.0kmh | 5.59mph5.17kmh | 3.21mph4.0kmh | 2.49mph
Gust Wind13.0kmh | 8.08mph8.13kmh | 5.05mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure39.0mb10.25mb0.0mb
Vientiane

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-06-0127 | 80.624 | 75.2846 | 3.7329.77 | 10088.5 | 0.33
2019-06-0226 | 78.824 | 75.2925 | 3.1129.8 | 100918.2 | 0.72
2019-06-0331 | 87.824 | 75.2755 | 3.1129.77 | 100817.8 | 0.7
2019-06-0431 | 87.823 | 73.4715 | 3.1129.77 | 10084.3 | 0.17
2019-06-0529 | 84.224 | 75.2795 | 3.1129.77 | 10089.8 | 0.39
2019-06-0631 | 87.824 | 75.2735 | 3.1129.77 | 100818.7 | 0.74
2019-06-0733 | 91.423 | 73.4634 | 2.4929.8 | 10092.2 | 0.09
2019-06-0833 | 91.423 | 73.4615 | 3.1129.77 | 10080.0 | 0.0
2019-06-0933 | 91.423 | 73.4605 | 3.1129.71 | 10060.0 | 0.0
2019-06-1033 | 91.423 | 73.4634 | 2.4929.68 | 10051.3 | 0.05
2019-06-1132 | 89.623 | 73.4646 | 3.7329.71 | 10060.5 | 0.02
2019-06-1231 | 87.824 | 75.2706 | 3.7329.71 | 10067.2 | 0.28
2019-06-1330 | 86.024 | 75.2754 | 2.4929.74 | 10073.9 | 0.15
2019-06-1430 | 86.025 | 77.0794 | 2.4929.71 | 100623.0 | 0.91
2019-06-1527 | 80.624 | 75.2905 | 3.1129.71 | 100639.0 | 1.54
2019-06-1629 | 84.225 | 77.0854 | 2.4929.71 | 100621.8 | 0.86
2019-06-1729 | 84.225 | 77.0835 | 3.1129.71 | 10067.2 | 0.28
2019-06-1828 | 82.425 | 77.0864 | 2.4929.71 | 100612.8 | 0.5
2019-06-1929 | 84.224 | 75.2834 | 2.4929.74 | 10078.1 | 0.32
2019-06-2031 | 87.824 | 75.2755 | 3.1129.74 | 10071.3 | 0.05
2019-06-2132 | 89.624 | 75.2706 | 3.7329.71 | 10060.0 | 0.0
2019-06-2232 | 89.623 | 73.4667 | 4.3529.68 | 10050.0 | 0.0
2019-06-2333 | 91.424 | 75.2664 | 2.4929.68 | 10053.4 | 0.13
2019-06-2432 | 89.624 | 75.2714 | 2.4929.71 | 100610.5 | 0.41
2019-06-2531 | 87.825 | 77.0795 | 3.1129.74 | 100725.0 | 0.98
2019-06-2630 | 86.025 | 77.0805 | 3.1129.71 | 100615.0 | 0.59
2019-06-2730 | 86.024 | 75.2799 | 5.5929.65 | 100412.7 | 0.5
2019-06-2830 | 86.023 | 73.4788 | 4.9729.65 | 10048.4 | 0.33
2019-06-2929 | 84.224 | 75.2815 | 3.1129.68 | 100512.3 | 0.48
2019-06-3029 | 84.224 | 75.2836 | 3.7329.68 | 100514.7 | 0.58

Vientiane 10 Year Historical Weather Data

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