Climate in Hachijojima, 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 Hachijojima, 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 Hachijojima, Japan

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Daily percent of sunshine

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

Average monthly percentage of sunshine in Hachijojima, Japan

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Average water temperature

The mean water temperature over the year.

Average monthly water temperature in Hachijojima, Japan

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Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Hachijojima, 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 Hachijojima, Japan

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Hachijojima, Japan

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Average wind speed

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

Average monthly wind speed in Hachijojima, Japan

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Weather Forecasts for Hachijojima

Mon   Mar 04
15°C | 9°C
W 25 km/h
broken clouds and no rain

broken clouds and no rain

Tue   Mar 05
15°C | 10°C
E 14 km/h
24 mm
overcast and heavy rain

overcast and heavy rain

Wed   Mar 06
19°C | 10°C
S 32 km/h
69 mm
overcast and thunder

overcast and thunder

The best time of year to visit Hachijojima in Japan

During the months of April, May, June, October and November 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 Hachijojima 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 Hachijojima?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Hachijojima?
    The coldest month is February with an average maximum temperature of 16°C.
  • Which is the wettest month in Hachijojima?
    June tops the wettest month list with 323 mm of rainfall.
  • Which is the driest month in Hachijojima?
    August is the driest month with 116 mm of precipitation.
  • Which is the sunniest month in Hachijojima?
    August is the sunniest month with an average of 187 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.