ClimateForecastDecemberJanuary >>

Numazu Climate by Month

Numazu 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. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The climate in Numazu is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 29°C in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C. At night, expect cooler temperatures, averaging 3°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Numazu has a notably wet climate with abundant precipitation, recording 2325 mm of rain/snowfall per year. Numazu can be quite wet during June, receiving approximately 280 mm of precipitation over 19 rainy days.

In contrast December, experiences much drier conditions, with 92 mm of rainfall, spread across 8 rainy days.

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

Sunshine over the year

Numazu can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 6.8 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 4.0 hours of sunlight per day.

Monthly hours of sunshine

Data from: Fujinomiya, Japan (27 KM, 17 Miles).

Daily hours of sunshine

Data from: Fujinomiya, Japan (27 KM, 17 Miles).

The best time of year to visit Numazu in Japan

During the months of May, June 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 Numazu?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Numazu?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Numazu?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Numazu?
    June tops the wettest month list with 280 mm of rainfall.
  • Which is the driest month in Numazu?
    December is the driest month with 92 mm of precipitation.
  • Which is the sunniest month in Numazu?
    January is the sunniest month with an average of 204 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 Numazu

    Thu   Dec 12
    12°C | 4°C
    E 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Fri   Dec 13
    12°C | 1°C
    SW 14 km/h
    0.8 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Sat   Dec 14
    12°C | 1°C
    E 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain