Nakano Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Nakano.
Climate overview of Nakano
Nakano, Nagano Prefecture, Japan, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in August, while winters cool to 2°C (36°F) in January.
With around 1959 mm (77 in) of annual rain/snowfall, Nakano has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has a distinct rainy season from June to September, with warm summers and cold winters. The wettest month is July. Sunshine peaks in May, when the city sees around 7.0 hours of sunshine per day.
Nakano Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nakano - and find the best time to visit.
Monthly Temperature in Nakano
Depending on the time of the year, temperatures range from comfortable to chilly in Nakano. Average daytime temperatures reach a comfortable 28°C (82°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 2°C (36°F).
At night, temperatures range from around 19°C (66°F) in August to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Nakano
Nakano has a relatively rain/snowy climate with high precipitation levels, averaging 1959 mm (77 in) of rain/snowfall annually. Nakano experiences moderate seasonal variation in rainfall, with monthly averages ranging from 249 mm (9.8 in) in July, the wettest month, and 119 mm (4.7 in) in November, the driest month. For more details, please visit our Nakano 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 Nakano
Nakano experiences moderate variation in sunshine hours across the seasons. With 7.0 hours daily sunshine in May, it dips to 4.3 hours in January, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Nakano by Month
The relative humidity is high throughout the year in Nakano.
The city experiences its highest humidity in January, reaching 78%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Nakano
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July and August
- Most sunshine: May and August
- Seasonal pattern: A distinct rainy season from June to September, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Nakano
What is the best time to visit Nakano?
May typically offers the most optimal weather in Nakano. In contrast, January, February, March, November and December tend to have less optimal conditions. Nakano has a distinct rainy season from June to September, with warm summers and cold winters.
What temperatures can I expect in Nakano?
Daytime highs range from 2°C (36°F) in January to 28°C (82°F) in August. Nighttime lows range from -6°C (21°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Nakano get?
Annual rainfall is around 1959 mm (77 in). July is the wettest month with 249 mm (9.8 in), while November is the driest with 119 mm (4.7 in).
How sunny is Nakano?
Nakano receives around 1,951 hours of sunshine per year. May is the sunniest month with 209 hours, while January is the cloudiest with just 128 hours.
Nakano 3-Day Forecast
Nakano on the map
Nakano is highlighted - select any city to see its climate.
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