Sasebo 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 Sasebo, Nagasaki, Japan. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Sasebo. Expect long, bright days with 209 hours in August and darker periods with just 104 hours in January. The total annual amount of sun is 1876 hours.

Daily hours of sunshine

In Sasebo, summer days are longer and more sunny, with daily sunshine hours peaking at 7.0 hours in August. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 3.5 hours per day.

Average percent of sunshine

On average the sun shines 54% of the time during the day in August, the highest percentage of any month. January has the lowest percentage at 32%.

Sasebo enjoys an average of 1876 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.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

June, Sasebo’s wettest month, receives 187 mm (7.4 in) of rainfall and has a maximum daytime temperature of 26°C (79°F). During the driest month January you can expect a temperature of 11°C (52°F).

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