Nara

Kii Peninsula Weather & Climate: Japan

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

Climate overview of the Kii Peninsula

the Kii Peninsula is one of several regions in Japan, with temperatures that range from 9°C (48°F) in January to 34°C (93°F) during the peak of August. We've based our full climate overview on data from Nara, 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 Kii Peninsula offers pleasant conditions in April, May and October, with temperatures typically ranging from 20°C (68°F) to 25°C (77°F).

July and August are generally the hottest months of the year. The colder period typically falls in the month of January.

When it comes to rainfall, the Kii Peninsula sees significant variations throughout the year. June tends to be the wettest, receiving 211 mm (8.3 in) of rain, while December is much drier with just 65 mm (2.6 in).

Visitors hoping to maximize their time in the sun should consider planning their trip for August, when daylight hours are at their peak.

Explore the Kii Peninsula by month

Pick a month to see the average temperature, rainfall and sunshine in the Kii Peninsula — and find the best time to visit. (based on Nara)

Popular cities by month

Compare cities per month. Toggle cities on/off.

Nara Wakayama Matsuzaka Taiji
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of the Kii Peninsula

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.

Nara 10°C (50°F) 34°C (93°F) 1°C (34°F) 24°C (75°F) 1508 mm (59 in) 2,022 hours
Wakayama 11°C (52°F) 31°C (88°F) 4°C (39°F) 25°C (77°F) 1767 mm (70 in) 2,027 hours
Matsuzaka 10°C (50°F) 32°C (90°F) 3°C (37°F) 24°C (75°F) 2012 mm (79 in)
Taiji 12°C (54°F) 30°C (86°F) 6°C (43°F) 26°C (79°F) 2620 mm (103 in)

Places in the Kii Peninsula, Japan

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

Popular cities

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Bucket list

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