Vientiane Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Vientiane, Vientiane, Laos. This average is based on long-term data collected between 1990 and 2020.

Monthly hours of sunshine

Seasonal sunshine in Vientiane varies. It peaks at 249 hours in December and drops to 130 hours in July. The total annual amount of sun is 2362 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of December under a blue sky, with approximately 8.3 hours of sunshine daily. In contrast, the city experiences much darker days in July, with only 4.3 hours of sunlight per day.

Vientiane enjoys an average of 2362 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

August, Vientiane’s wettest month, receives 80 mm (3.1 in) of rainfall and has a maximum daytime temperature of 33°C (91°F). During the driest month December you can expect a temperature of 30°C (86°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Vientiane Precipitation page.