August weather forecast and climate
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.