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

For full information about the climate and weather in Iheya-jima a specific month, click on the corresponding line below:

January 63°F/67°F
February 65°F/68°F
March 67°F/70°F
April 70°F/74°F
May 76°F/77°F
June 81°F/83°F
July 85°F/86°F
August 85°F/86°F
September 83°F/85°F
October 79°F/81°F
November 74°F/76°F
December 67°F/70°F

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


Other cities and places near Iheya-jima

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Legend: Iheya-jima other locations

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