June weather forecast and climate
Vientiane, Laos

June, the first month of the summer, in Vientiane, is still a hot month, with average temperature fluctuating between 31.9°C (89.4°F) and 24.9°C (76.8°F).

Temperature

In Vientiane, the average high-temperature is essentially the same as in May - a still hot 31.9°C (89.4°F). In Vientiane, in June, the average low-temperature is 24.9°C (76.8°F).

Humidity

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

Rainfall

In June, the rain falls for 18 days. Throughout June, 279.8mm (11") of precipitation is accumulated. In Vientiane, Laos, during the entire year, the rain falls for 118 days and collects up to 1660.5mm (65.4") of precipitation.

Daylight

The month with the longest days in Vientiane is June, with an average of 13.2h of daylight.

Sunshine

The average sunshine in Vientiane is 5.1h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 12 in June interpret into the following advice:
Take all required precautions, as unprotected skin and eyes 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.