Saga Weather & Climate: Japan

Climate by month across Saga, Japan, average temperatures, rainfall and the best time to visit.

Climate overview of Saga

Saga is one of several regions in Japan, with temperatures that range from 10°C (50°F) in January to 32°C (90°F) during the peak of August. We've based our full climate overview on data from Ureshino, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

The weather in Saga during April, May, June and October is comfortably warm, with average temperatures ranging from 19°C (66°F) to 26°C (79°F).

The peak of the heat usually falls in July and August.

Precipitation in Saga varies considerably throughout the year. The wettest conditions occur in June with 380 mm (15 in) of rain, while January stays relatively dry with 70 mm (2.8 in). The region experiences its rainy season during June, July and September, when monthly rainfall can range from 202 mm (8 in) to 380 mm (15 in).

For those seeking sunshine, August usually has the brightest skies, making it an excellent time for exploring the region.

Explore Saga by month

Popular cities by month

Compare cities per month. Toggle cities on/off.

Ureshino Karatsu Saga Tosu Imari Kamenoura
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of Saga

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Ureshino 11°C (52°F) 32°C (90°F) 5°C (41°F) 25°C (77°F) 1978 mm (78 in) 1,876 hours
Karatsu 11°C (52°F) 31°C (88°F) 5°C (41°F) 26°C (79°F) 1825 mm (72 in) 1,894 hours
Saga 11°C (52°F) 33°C (91°F) 3°C (37°F) 25°C (77°F) 1951 mm (77 in) 1,894 hours
Tosu 11°C (52°F) 33°C (91°F) 2°C (36°F) 24°C (75°F) 1901 mm (75 in) 1,894 hours
Imari 11°C (52°F) 32°C (90°F) 4°C (39°F) 25°C (77°F) 1875 mm (74 in) 1,876 hours
Kamenoura 11°C (52°F) 31°C (88°F) 5°C (41°F) 25°C (77°F) 2244 mm (88 in) 1,876 hours

Places in Saga, Japan

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

Cities

Explore more

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.