ClimateForecastDecemberJanuary >>

Asahi Climate by Month

Asahi experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It also experiences much rain/snowfall throughout the year. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Asahi is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 28°C in August. In February, the coolest month of the year, temperatures drop to a chilly 4°C. At night, expect cooler temperatures, averaging -1°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Asahi has a notably wet climate with abundant precipitation, recording 2669 mm of rain/snowfall per year. Asahi experiences moderate seasonal variation in rainfall, with monthly averages ranging from 278 mm in July, the wettest month, and 160 mm in May, the driest month.

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

Sunshine over the year

Asahi can be enjoyed more throughout the sunniest month of August under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 2.2 hours of sunlight per day.

Monthly hours of sunshine

Data from: Itoigawa, Japan (24 KM, 15 Miles).

Daily hours of sunshine

Data from: Itoigawa, Japan (24 KM, 15 Miles).

The best time of year to visit Asahi in Japan

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

The average rainfall figures in Asahi are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose August which is the sunniest month of the year.

Other facts from our historical weather data:
  • Which is the warmest month in Asahi?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Asahi?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in Asahi?
    July tops the wettest month list with 278 mm of rainfall.
  • Which is the driest month in Asahi?
    May is the driest month with 160 mm of precipitation.
  • Which is the sunniest month in Asahi?
    August is the sunniest month with an average of 198 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 Asahi

    Fri   Dec 13
    4°C | -3°C
    S 11 km/h
    26 mm
    overcast and heavy sleet

    overcast and heavy sleet

    Sat   Dec 14
    1°C | -4°C
    S 14 km/h
    49 mm
    broken clouds and snow

    broken clouds and snow

    Sun   Dec 15
    4°C | -3°C
    SW 25 km/h
    14 mm
    broken clouds and sleet

    broken clouds and sleet