March weather forecast
Vientiane, Laos

March in Vientiane, Laos experiences a significant rise in temperatures, signifying the transition into the hotter months of the year. This month sees average temperatures fluctuating between 21.5°C and 33°C and records a UV index of 12, which is the maximum for the year. Precautions should be taken when venturing outdoors to avoid excessive sun exposure. The early onset of summer makes March an excellent time to enjoy the various water-based activities in Laos.

Temperature

The transition into March in Vientiane, Laos, is marked with an average high-temperature of a still hot 33°C, showing an insignificant shift from February's 30.3°C. In March, the average low-temperature in Vientiane records at a pleasant 21.5°C during the nights.

Heat index

The average heat index in March is computed to be a scorching 42°C. Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

With an average relative humidity of 66%, March is the least humid month in Vientiane.

Rainfall

In March, in Vientiane, Laos, the rain falls for 4 days. Throughout March, 34mm of precipitation is accumulated. Throughout the year, in Vientiane, there are 118 rainfall days, and 1661mm of precipitation is accumulated.

Daylight

In March, the average length of the day is 12h and 2min.
On the first day of the month, sunrise is at 06:28 and sunset at 18:15. On the last day of March, in Vientiane, sunrise is at 06:04 and sunset at 18:22 +07.

Sunshine

The average sunshine in March in Vientiane, Laos, is 7h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Vientiane. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 12 in March suggests the following recommendations:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Frequent application of a broad-spectrum SPF 30+ sunscreen is crucial, reapply it every two hours or immediately post swimming or outdoor exercise.