Haikou Sunshine Hours by Month

In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Haikou, Hainan, China. The figures are based on a 30-year period (1990–2020) to provide a reliable average.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Haikou. Expect long, bright days with 250 hours in July and darker periods with just 99 hours in February. The total annual amount of sun is 2080 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Haikou. While July receives considerable daily sunshine with up to 8.3 hours, February marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day.

Average percent of sunshine

On average the sun shines 60% of the time during the day in July, the highest percentage of any month. February has the lowest percentage at 31%.

Haikou enjoys an average of 2080 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

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

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

September, Haikou’s wettest month, receives 174 mm (6.9 in) of rainfall and has a maximum daytime temperature of 31°C (88°F). During the driest month January you can expect a temperature of 21°C (70°F).

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