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

October 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
October, like September, is another tropical autumn month in Vientiane, Laos, with average temperature fluctuating between 30.8°C (87.4°F) and 22.9°C (73.2°F).

Temperature

In Vientiane, the average high-temperature is practically the same as in September - a still hot 30.8°C (87.4°F). In October, in Vientiane, the average low-temperature is 22.9°C (73.2°F).

Heat index

In October, the average heat index is estimated at a sweltering 39.5°C (103.1°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, clothing). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. 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 surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in Vientiane is 78%.

Rainfall

In Vientiane, during October, the rain falls for 9 days and regularly aggregates up to 78mm (3.1") of precipitation. Throughout the year, in Vientiane, there are 118 rainfall days, and 1660.5mm (65.4") of precipitation is accumulated.

Daylight

In Vientiane, the average length of the day in October is 11.7h.

Sunshine

The average sunshine in Vientiane is 8h.

UV index

In October, the average daily maximum UV index in Vientiane, Laos, is 11. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 11 interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. 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. 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. 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.

What is the temperature in October in Vientiane?

The average high-temperature, in October, in Vientiane, Laos, is 30.8°C (87.4°F), while the average low-temperature is 22.9°C (73.2°F). In October, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that factores the actual air temperature with the relative humidity, is calculated to 39.5°C (103.1°F).

What is the average humidity in October in Vientiane?

The average relative humidity in October in Vientiane is 78%.

How many days does it rain in October in Vientiane?

In October, in Vientiane, the rain falls for 9 days. Throughout October, 78mm (3.1") of precipitation is accumulated.

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

In October, the average length of the day in Vientiane is 11.7h.

How long on average sun shines in October in Vientiane?

The average sunshine in October in Vientiane is 8h.

What is the UV index intensity in October in Vientiane?

The average daily maximum UV index in October in Vientiane, Laos, is 11. A UV Index of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in October - Vientiane, Laos
  • Average high temperature in October: 30.8°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 October: 22.9°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 October - Vientiane, Laos
  • Average humidity in October: 78%

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

Average rainfall in October - Vientiane, Laos
  • Average rainfall in October: 78mm

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 October - Vientiane, Laos
  • Average rainfall days in October: 9 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 October / Average sunshine in October - Vientiane, Laos
  • Average daylight in October: 11.7h

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 October: 8h

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 October - Vientiane, Laos
  • Average UV index in October: 11

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).