Average Monthly Sunshine in Osan

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

Monthly hours of sunshine

Across the seasons, sunshine hours in Osan vary. From a high of 248 hours in May, to a low of 159 hours in December, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 2416 hours.

Daily hours of sunshine

Enjoy up to 8.3 hours of daily sun in May, and experience slightly darker atmosphere in December, with about 5.3 hours of daily sunlight.

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

Osan enjoys an average of 2416 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, Brussels, Belgium, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

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

Other climate information

July, Osan’s wettest month, receives 240 mm of rainfall and has a maximum daytime temperature of 30°C. During the driest month January you can expect a temperature of 4°C.

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