Karatsu Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Karatsu, Saga, Japan. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Sunshine in Karatsu varies greatly throughout the year. The sunniest month, May, reaches an impressive 205 hours, while January, the darkest month, offers only 103 hours. The total annual amount of sun is 1894 hours.

Daily hours of sunshine

In Karatsu, summer days are longer and more sunny, with daily sunshine hours peaking at 6.8 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 3.4 hours per day.

Karatsu enjoys an average of 1894 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, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.

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

June, Karatsu’s wettest month, receives 173 mm (6.8 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 Karatsu Precipitation page.