Niigata Prefecture Weather & Climate: Japan

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

Climate overview of Niigata Prefecture

Whether you're visiting Niigata Prefecture in Japan during the peak of August (29°C (84°F)) or the cooler months around January (3°C (37°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Myoko, 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 Niigata Prefecture during May, June and September is comfortably warm, with average temperatures ranging from 21°C (70°F) to 25°C (77°F).

The colder weather is most prominent in the months of January, February, March and December.

Precipitation in Niigata Prefecture varies considerably throughout the year. The wettest conditions occur in July with 283 mm (11 in) of rain, while April stays relatively dry with 135 mm (5.3 in).

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

Explore Niigata Prefecture by month

Pick a month to see the average temperature, rainfall and sunshine in Niigata Prefecture — and find the best time to visit. (based on Myoko)

Popular cities by month

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Myoko Niigata Shinano Sado Yuzawa Minami Uonuma
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of Niigata Prefecture

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.

Myoko 3°C (37°F) 29°C (84°F) -4°C (25°F) 20°C (68°F) 2416 mm (95 in) 1,951 hours
Niigata 7°C (45°F) 30°C (86°F) 1°C (34°F) 24°C (75°F) 1900 mm (75 in) 1,663 hours
Shinano 3°C (37°F) 29°C (84°F) -5°C (23°F) 20°C (68°F) 2319 mm (91 in) 1,951 hours
Sado 7°C (45°F) 30°C (86°F) 2°C (36°F) 24°C (75°F) 1651 mm (65 in) 1,663 hours
Yuzawa 1°C (34°F) 27°C (81°F) -7°C (19°F) 19°C (66°F) 2297 mm (90 in) 2,173 hours
Minami Uonuma 3°C (37°F) 29°C (84°F) -4°C (25°F) 20°C (68°F) 2414 mm (95 in) 1,468 hours

Places in Niigata Prefecture, 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.