Average Monthly Sunshine in Seongnam

The graphs on this page shows the average number of hours per month and per day that Seongnam receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Sunshine in Seongnam varies greatly throughout the year. The sunniest month, May, reaches an impressive 225 hours, while July, the darkest month, offers only 124 hours. The total annual amount of sun is 2148 hours.

Daily hours of sunshine

In Seongnam, summer days are longer and more sunny, with daily sunshine hours peaking at 7.5 hours in May. As the darker season arrives, the brightness of the sun becomes less. July sees a soft sun for only 4.1 hours per day.

Seongnam’s total hours of sunshine compared to other major cities

Seongnam enjoys an average of 2148 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

Other climate information

July, Seongnam’s wettest month, receives 265 mm of rainfall and has a maximum daytime temperature of 30°C. During the driest month January you can expect a temperature of 3°C.

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