Vientiane
Laos
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Vientiane, Laos

Water geysers around the memorial Patuxay Monument in Vientiane, Laos
Water geysers around the memorial Patuxay Monument in Vientiane, Laos
August, the last month of the summer, in Vientiane, is another tropical month, with average temperature varying between 24.6°C (76.3°F) and 30.8°C (87.4°F).

Temperature

In August, the average high-temperature is almost the same as in July - a still hot 30.8°C (87.4°F). In August, in Vientiane, the average low-temperature is 24.6°C (76.3°F).

Humidity

With an average relative humidity of 84%, August is the most humid month.

Rainfall

August is the month with the most rainfall in Vientiane. Rain falls for 21 days and accumulates 334.6mm (13.2") of precipitation.

Daylight

In August, the average length of the day in Vientiane is 12.7h.

Sunshine

The month with the least sunshine is August, with an average of 4.4h of sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an extreme health hazard from unsafe exposure to the UV radiation for the average person.
The daily maximum UV index of 12 in August interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in August in Vientiane?

The average high-temperature, in August, in Vientiane, Laos, is 30.8°C (87.4°F), while the average low-temperature is 24.6°C (76.3°F).

What is the most humid month in Vientiane?

August is the most humid month in Vientiane, with an average relative humidity of 84%.

What is the average humidity in August in Vientiane?

In August, the average relative humidity in Vientiane is 84%.

How much does it rain in Vientiane in August?

In Vientiane, in August, during 21 rainfall days, 334.6mm (13.2") of precipitation is typically accumulated.

What is the wettest month in Vientiane?

August is the month with the most rainfall. Rain falls for 21 days and accumulates 334.6mm (13.2") of precipitation.

What is the average length of the day in August in Vientiane?

The average length of the day in August in Vientiane, Laos, is 12.7h.

What is the month with the least sunshine in Vientiane?

August has the least sunshine of the year in Vientiane, with an average of 4.4h of sunshine.

How long on average sun shines in August in Vientiane?

In August, the average sunshine in Vientiane, Laos, is 4.4h.

What is the month with the highest UV index in Vientiane?

Months with the highest UV index in Vientiane are March through September, with an average maximum UV index of 12.

How high is the UV index in August in Vientiane?

The average daily maximum UV index in August in Vientiane is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in August - Vientiane, Laos
  • Average high temperature in August: 30.8°C

The warmest month (with the highest average high temperature) is April (34.3°C).
The month with the lowest average high temperature is December (28.1°C).

  • Average low temperature in August: 24.6°C

The month with the highest average low temperature is June (24.9°C).
The coldest month (with the lowest average low temperature) is January (16.4°C).

Average humidity in August - Vientiane, Laos
  • Average humidity in August: 84%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is March (66%).

Average rainfall in August - Vientiane, Laos
  • Average rainfall in August: 334.6mm

The wettest month (with the highest rainfall) is August (334.6mm).
The driest month (with the lowest rainfall) is December (2.5mm).

Average rainfall days in August - Vientiane, Laos
  • Average rainfall days in August: 21 days

The month with the highest number of rainy days is August (21 days).
Months with the lowest number of rainy days are January and December (1 days).

Average daylight in August / Average sunshine in August - Vientiane, Laos
  • Average daylight in August: 12.7h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in August: 4.4h

The month with most sunshine is December (Average sunshine: 8.3h).
The month with least sunshine is August (Average sunshine: 4.4h).

Average UV index in August - Vientiane, Laos
  • Average UV index in August: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).