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Isahaya
Weather averages
ClimateForecastAprilMay >>

Climate in Isahaya (Nagasaki), Japan

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Isahaya, Japan

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Isahaya, Japan

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* Data from: Nagasaki, Japan (23 KM, 14 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in Isahaya, Japan

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* Data from: Nagasaki, Japan (23 KM, 14 Miles).

Average water temperature

The mean water temperature over the year.

Average monthly water temperature in Isahaya, Japan

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* Data from: Nagasaki, Japan (23 KM, 14 Miles).

Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Isahaya, Japan

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Isahaya, Japan

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Isahaya, Japan

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* Data from: Nagasaki, Japan (23 KM, 14 Miles).

Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average monthly wind speed in Isahaya, Japan

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* Data from: Nagasaki, Japan (23 KM, 14 Miles).

Weather Forecasts for Isahaya

Sat   Apr 20
19°C | 13°C
S 22 km/h
17 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Sun   Apr 21
22°C | 14°C
SW 14 km/h
11 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Mon   Apr 22
20°C | 13°C
SW 7 km/h
overcast and no rain

overcast and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Isahaya 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 Isahaya?
    The hottest season / summer takes place in June, July, August and September.
  • When is the rainy season in Isahaya?
    Rainy season in Isahaya occurs in the months of April, May, June, July, August and September.
  • Which is the warmest month in Isahaya?
    August has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Isahaya?
    The coldest month is January with an average maximum temperature of 11°C.
  • Which is the wettest month in Isahaya?
    June tops the wettest month list with 443 mm of rainfall.
  • Which is the driest month in Isahaya?
    January is the driest month with 80 mm of precipitation.
  • Which is the sunniest month in Isahaya?
    August is the sunniest month with an average of 209 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.

     

     

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