Vientiane
Laos
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Vientiane, Laos

Water geysers around the memorial Patuxay Monument in Vientiane, Laos
Water geysers around the memorial Patuxay Monument in Vientiane, Laos
January, like December, in Vientiane, Laos, is a moderately hot winter month, with average temperature varying between 28.4°C (83.1°F) and 16.4°C (61.5°F).

Temperature

In Vientiane, Laos, the average high-temperature in January is relatively the same as in December - a still warm 28.4°C (83.1°F). In Vientiane, in January, the average low-temperature is 16.4°C (61.5°F).

Humidity

The average relative humidity in January is 70%.

Rainfall

In Vientiane, in January, it is raining for 1 days, with typically 7.5mm (0.3") of accumulated precipitation. Throughout the year, there are 118 rainfall days, and 1660.5mm (65.4") of precipitation is accumulated.

Daylight

In January, the average length of the day is 11.2h.

Sunshine

The average sunshine in January is 8.2h.

UV index

In Vientiane, the average daily maximum UV index in January is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 9 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn 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. 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. 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.

What is the temperature in January in Vientiane?

In January, the average high-temperature is 28.4°C (83.1°F), and the average low-temperature is 16.4°C (61.5°F).

What is the average humidity in January in Vientiane?

The average relative humidity in January in Vientiane is 70%.

How much does it rain in Vientiane in January?

In January, in Vientiane, Laos, the rain falls for 1 days. Throughout January, 7.5mm (0.3") of precipitation is accumulated.

What is the average length of the day in January in Vientiane?

The average length of the day in January is 11.2h.

How many hours of sunshine does Vientiane have in January?

The average sunshine in January in Vientiane is 8.2h.

What is the UV index intensity in January in Vientiane?

In Vientiane, the average daily maximum UV index in January is 9. A UV Index estimate of 8 to 10 represents a very high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in January - Vientiane, Laos
  • Average high temperature in January: 28.4°C

The warmest month (with the highest average high temperature) is April (34.3°C).
The month with the lowest average high temperature is December (28.1°C).

  • Average low temperature in January: 16.4°C

The month with the highest average low temperature is June (24.9°C).
The coldest month (with the lowest average low temperature) is January (16.4°C).

Average humidity in January - Vientiane, Laos
  • Average humidity in January: 70%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is March (66%).

Average rainfall in January - Vientiane, Laos
  • Average rainfall in January: 7.5mm

The wettest month (with the highest rainfall) is August (334.6mm).
The driest month (with the lowest rainfall) is December (2.5mm).

Average rainfall days in January - Vientiane, Laos
  • Average rainfall days in January: 1 days

The month with the highest number of rainy days is August (21 days).
Months with the lowest number of rainy days are January and December (1 days).

Average daylight in January / Average sunshine in January - Vientiane, Laos
  • Average daylight in January: 11.2h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in January: 8.2h

The month with most sunshine is December (Average sunshine: 8.3h).
The month with least sunshine is August (Average sunshine: 4.4h).

Average UV index in January - Vientiane, Laos
  • Average UV index in January: 9

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).