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

July 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
July, the same as June, in Vientiane, Laos, is another tropical summer month, with average temperature ranging between min 24.7°C (76.5°F) and max 31.3°C (88.3°F).

Temperature

In July, the average high-temperature is relatively the same as in June - a still hot 31.3°C (88.3°F). In July, in Vientiane, Laos, the average low-temperature is 24.7°C (76.5°F).

Humidity

In Vientiane, the average relative humidity in July is 82%.

Rainfall

In Vientiane, during July, the rain falls for 20 days and regularly aggregates up to 272.3mm (10.7") of precipitation. Throughout the year, there are 118 rainfall days, and 1660.5mm (65.4") of precipitation is accumulated.

Daylight

The average length of the day in Vientiane, Laos, is 13.1h.

Sunshine

In Vientiane, the average sunshine is 4.8h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV rays for the average person.
In July, the average maximum UV index of 12 translate into the following recommendations:
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. 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. 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 July in Vientiane?

The average high-temperature, in July, in Vientiane, Laos, is 31.3°C (88.3°F), while the average low-temperature is 24.7°C (76.5°F).

What is the average humidity in July in Vientiane?

The average relative humidity in July in Vientiane, Laos, is 82%.

How many days does it rain in July in Vientiane?

In Vientiane, Laos, in July, it is raining for 20 days, with typically 272.3mm (10.7") of accumulated precipitation.

How many hours of daylight does Vientiane have in July?

In Vientiane, the average length of the day in July is 13.1h.

How many hours of sunshine does Vientiane have in July?

In Vientiane, Laos, the average sunshine in July is 4.8h.

When is the highest UV index in Vientiane?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Vientiane, Laos.

How high is the UV index in July in Vientiane?

In Vientiane, Laos, the average daily maximum UV index in July is 12. A UV Index reading of 11, and higher, represents an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in July - Vientiane, Laos
  • Average high temperature in July: 31.3°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 July: 24.7°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 July - Vientiane, Laos
  • Average humidity in July: 82%

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

Average rainfall in July - Vientiane, Laos
  • Average rainfall in July: 272.3mm

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 July - Vientiane, Laos
  • Average rainfall days in July: 20 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 July / Average sunshine in July - Vientiane, Laos
  • Average daylight in July: 13.1h

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 July: 4.8h

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 July - Vientiane, Laos
  • Average UV index in July: 12

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).