The last month of the autumn, November
, is also a moderately hot month in Vientiane
, with temperature in the range of an average high of 29.8°C (85.6°F) and an average low of 19.3°C (66.7°F).
In November, the average high-temperature is relatively the same as in October
- a moderately hot 29.8°C (85.6°F). In November, the average low-temperature is 19.3°C (66.7°F).
The average heat index in November is evaluated at a very hot 35°C (95°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.Note
: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like differences in body mass, height, and shape, metabolic differences, clothing, and activity influence one's weather impression. 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 especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
In November, the average relative humidity in Vientiane is 72%.
In Vientiane, during November, the rain falls for 2 days and regularly aggregates up to 11.1mm (0.44") of precipitation. Throughout the year, in Vientiane, there are 118 rainfall days, and 1660.5mm (65.37") of precipitation is accumulated.
In November, the average length of the day in Vientiane is 11h and 18min.
On the first day of the month, sunrise is at 06:08 and sunset at 17:37. On the last day of November, in Vientiane, sunrise is at 06:23 and sunset at 17:32 +07.
In Vientiane, the average sunshine in November is 7.8h.
The average daily maximum UV index in November is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note
: In November, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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.