19 to 29°C
temperature
2589 hours
sunshine per day
1243 mm
rain
133 days
dry
232 days
rain
0 days
snow

Climate of Iheya-jima

The island Iheya-jima has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Iheya-jima is 24° degrees and there is about 1244 mm of rain in a year. It is dry for 90 days a year with an average humidity of 78% and an UV-index of 6.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 19°C and 29°C
  • Night:the average nighttime temperature is between 17°C and 28°C
  • Rain: it rains 232 days and there is a total of approximately 1243 mm rainfall
  • Sun hours: throughout the year there are 2589 sun hours
Maximum temperature: between 19°C and 29°C
Warmest month: 29°C in July
Coldest month: 19°C in January
Night temperature: between 17°C and 28°C
Dry days: 133 days
Days with rain: 232 days
Days with snow: 0 days
Total rain sum: 1243 mm
Hours of sunshine: 2589 hours

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Iheya-jima.

Precipitation graph

This graph shows the average amount of rainfall per month for Iheya-jima.

Climate table of Iheya-jima

In this climate table you can see at a glance what the average weather per month is for Iheya-jima. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Iheya-jima might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 19 19 20 22 25 27 29 29 29 26 24 20
Night temp. (°C) 17 17 18 21 23 26 28 28 28 25 22 19
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 62 66 84 105 144 171 103 132 99 138 69 70
Days with rain 21 18 18 18 18 22 17 21 22 19 17 21
Dry days 10 10 13 12 13 8 14 10 8 12 13 10
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 4 5 6 7 9 9 11 10 9 6 5 4
Wind force (Bft) 4 4 4 4 4 4 4 4 4 4 4 4
UV-index 4 5 5 6 6 7 7 7 7 6 5 4

Best time to visit Iheya-jima

The best time to visit Iheya-jima, Japan is January through March, September and November and December. In this period you have a warm temperature and little precipitation. On the island of Iheya-jima, the warmest month is July with 29°C and the coldest is January with 19°C.

Climate of Iheya-jima by month

What is the average climate in a given month for Iheya-jima? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Iheya-jima weather experiences

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