Best time to go to Iheya-jima Average weather of Iheya-jima, Japan

When is the best time to go to Iheya-jima?

When is the best time to go to Iheya-jima? Here's some information to help you in your decision:

The best months for good weather in Iheya-jima are March, April and November
On average, the warmest months are June, July, August and September
June is the rainiest month
The best months for swimming are June, July, August, September and October

Annual weather in Iheya-jima

To get all the information about the climate and weather in Iheya-jima for a specific month, scroll down below the table and choose a month from the tabs.

Month			Our opinion
January	63°F/67°F	6.6in	tolerable weather
February	65°F/68°F	6.5in	tolerable weather
March	67°F/70°F	7.2in	good weather
April	70°F/74°F	8.3in	good weather
May	76°F/77°F	14.1in	tolerable weather
June	81°F/83°F	19.8in	very bad weather
July	85°F/86°F	12.6in	tolerable weather
August	85°F/86°F	13.2in	tolerable weather
September	83°F/85°F	11.1in	tolerable weather
October	79°F/81°F	11.5in	tolerable weather
November	74°F/76°F	6.1in	good weather
December	67°F/70°F	6.7in	tolerable weather

Weather detail month by month in Iheya-jima

Weather and climate in Iheya-jima

Iheya-jima enjoys a humid subtropical climate (without dry season and with hot summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Iheya-jima is 77°F (ranging from 67°F in january to 86°F in august). Annual rainfall is 123.5in, with a minimum of 6.1in in november and a maximum of 19.8in in june.

Between the months of january and february the climate is just OK. In average, on the morning it is 67°F and it rains about 6.5in each month.
Between march and april the climate is good. the thermometer goes up to 74°F°C.
From may to october the climate is not good, but still OK. The record temperature this month is 88°F and it rains about 11.5in each month.
In november the climate is good. At lunchtime, it's 76°F in average and it rains in november about 6.1in.
In december the climate is okay. In average, on the morning it is 68°F and it rains in december about 6.7in.

Charts: temperature and rainfall in Iheya-jima

In the charts below, you can see the following seasonal norms for the city of Iheya-jima: the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity

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