, like December
, in Vientiane
, is a moderately hot winter month, with an average temperature ranging between max 28.4°C (83.1°F) and min 16.4°C (61.5°F).
In January, the average high-temperature is relatively the same as in December - a still warm 28.4°C (83.1°F). In Vientiane, the average low-temperature is 16.4°C (61.5°F).
The average heat index in January is evaluated at a tropical 31.5°C (88.7°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. 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 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, wind, clothing), and activity. 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 particularly important for children. 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 average relative humidity in January is 70%.
In January, the rain falls for 1 days. Throughout January, 7.5mm (0.3") of precipitation is accumulated. In Vientiane, during the entire year, the rain falls for 118 days and collects up to 1660.5mm (65.37") of precipitation.
In January, the average length of the day in Vientiane is 11h and 11min.
On the first day of January, sunrise is at 06:40 and sunset at 17:45. On the last day of the month, sunrise is at 06:42 and sunset at 18:03 +07.
In January, the average sunshine in Vientiane is 8.2h.
In January, the average daily maximum UV index in Vientiane, Laos, is 9. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV rays for average individuals.Note
: The daily maximum UV index of 9 in January interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system.