Nagaoka Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Nagaoka.
Climate overview of Nagaoka
Nagaoka, Niigata Prefecture, Japan, sees big temperature differences between seasons, with August peaking at 32°C (90°F) and January dropping to 6°C (43°F).
The city has a wet climate, receiving around 2001 mm (79 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from December to February. July is the wettest month. The sunniest month is August, with 6.4 hours of sunshine per day on average.
Nagaoka Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nagaoka — and find the best time to visit.
Monthly Temperature in Nagaoka
Visitors to Nagaoka can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 32°C (90°F) in August to a chilly 6°C (43°F) in January.
Nighttime temperatures range from 22°C (72°F) in August to -2°C (28°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Nagaoka
Nagaoka is known for its substantial rain/snowfall, with annual precipitation reaching 2001 mm (79 in). The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 231 mm (9.1 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, May, still receives a respectable 114 mm (4.5 in) of rainfall. For more details, please visit our Nagaoka Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Nagaoka
In Nagaoka, summer days are longer and more sunny, with daily sunshine hours peaking at 6.4 hours in August. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 1.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Nagaoka
The weather does bring rainfall during this period, between 114 mm (4.5 in) and 146 mm (5.7 in).
Plan accordingly for January, February, July, August, September, October and December, when conditions bring the heaviest precipitation. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Nagaoka
What is the best time to visit Nagaoka?
May, June, September and October typically offer the most optimal weather in Nagaoka. In contrast, January, February, March, July and December tend to have less optimal conditions. Nagaoka has a distinct rainy season from December to February.
What temperatures can I expect in Nagaoka?
Daytime highs range from 6°C (43°F) in January to 32°C (90°F) in August. Nighttime lows range from -2°C (28°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Nagaoka get?
Annual rainfall is around 2001 mm (79 in). July is the wettest month with 231 mm (9.1 in), while May is the driest with 114 mm (4.5 in).
How sunny is Nagaoka?
Nagaoka receives around 1,468 hours of sunshine per year. August is the sunniest month with 193 hours, while January is the cloudiest with just 49 hours.
Nagaoka 3-Day Forecast
Nagaoka 3-Day Forecast
Nagaoka on the map
Nagaoka is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Osaka
32°C (90°F) Tokyo30°C (86°F) Naha
30°C (86°F) Kyoto31°C (88°F) Hakone28°C (82°F) Hakuba26°C (79°F) Sapporo24°C (75°F) Niseko24°C (75°F) 
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