ClimateForecastDecemberJanuary >>

Nagaoka Climate by Month

The temperature in Nagaoka can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and cold during the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Nagaoka can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 32°C in August to a chilly 6°C in January. Nighttime temperatures can drop, with averages reaching -2°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Nagaoka is known for its substantial rain/snowfall, with annual precipitation reaching 2001 mm. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 231 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, May, still receives a respectable 114 mm of rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

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.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Nagaoka in Japan

During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Nagaoka?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Nagaoka?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Nagaoka?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Nagaoka?
    July tops the wettest month list with 231 mm of rainfall.
  • Which is the driest month in Nagaoka?
    May is the driest month with 114 mm of precipitation.
  • Which is the sunniest month in Nagaoka?
    August is the sunniest month with an average of 193 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Nagaoka

    Fri   Dec 06
    9°C | 3°C
    W 22 km/h
    23 mm
    overcast and heavy rain

    overcast and heavy rain

    Sat   Dec 07
    4°C | -1°C
    SW 7 km/h
    23 mm
    overcast and heavy rain

    overcast and heavy rain

    Sun   Dec 08
    4°C | -1°C
    W 11 km/h
    26 mm
    broken clouds and sleet

    broken clouds and sleet