July weather forecast and climate
Vientiane, Laos

July, the same as June, in Vientiane, Laos, is another tropical summer month, with average temperature ranging between min 24.7°C (76.5°F) and max 31.3°C (88.3°F).

Temperature

In July, the average high-temperature is relatively the same as in June - a still hot 31.3°C (88.3°F). In July, in Vientiane, Laos, the average low-temperature is 24.7°C (76.5°F).

Humidity

In Vientiane, the average relative humidity in July is 82%.

Rainfall

In Vientiane, during July, the rain falls for 20 days and regularly aggregates up to 272.3mm (10.7") of precipitation. Throughout the year, there are 118 rainfall days, and 1660.5mm (65.4") of precipitation is accumulated.

Daylight

The average length of the day in Vientiane, Laos, is 13.1h.

Sunshine

In Vientiane, the average sunshine is 4.8h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays for the average person.
In July, the average maximum UV index of 12 translate into the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 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.