June weather forecast
Vientiane, Laos

As the year progresses, June sees a drop in the average hours of sunshine in Vientiane, Laos. Coupled with escalating rainfall from 246mm (9.69") in May to 280mm (11.02") and temperatures ranging between 24.9°C (76.8°F) and 31.9°C (89.4°F), the weather is notably humid. The city's tropical foliage flourishes during this time of heightened rain, offering a serene and tranquil atmosphere. This month is perfect for leisurely indoor activities and serene contemplation within the city's many temples.

Temperature

The advent of June sees the average high-temperature at a still hot 31.9°C (89.4°F), subtly shifted from May's 33°C (91.4°F). In the month of June, Vientiane's average low-temperature falls to a moderately hot 24.9°C (76.8°F).

Heat index

The average heat index in June is appraised at a blazing hot 45°C (113°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

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

Rainfall

In June, the rain falls for 18 days. Throughout June, 280mm (11.02") of precipitation is accumulated. In Vientiane, during the entire year, the rain falls for 118 days and collects up to 1661mm (65.39") of precipitation.

Daylight

The month with the longest days is June, with an average of 13h and 12min of daylight.
On the first day of June, sunrise is at 05:33 and sunset at 18:41. On the last day of the month, sunrise is at 05:37 and sunset at 18:49 +07.

Sunshine

The average sunshine in June is 5.1h.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 12 in June, converts into the following recommendations:
Utilize every vital safety procedure. Individuals with light skin may endure burns in less than 5 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout.