Climate of Iōjima
The island Iōjima has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Iōjima is 21° degrees and there is about 1077 mm of rain in a year. It is dry for 130 days a year with an average humidity of 76% and an UV-index of 5.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 13°C and 30°C
- Night:the average nighttime temperature is between 10°C and 27°C
- Rain: it rains 194 days and there is a total of approximately 1076 mm rainfall
- Sun hours: throughout the year there are 2699 sun hours
Maximum temperature: | between 13°C and 30°C |
Warmest month: | 30°C in August |
Coldest month: | 13°C in January |
Night temperature: | between 10°C and 27°C |
Dry days: | 171 days |
Days with rain: | 194 days |
Days with snow: | 0 days |
Total rain sum: | 1076 mm |
Hours of sunshine: | 2699 hours |
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Iōjima.
Precipitation graph
This graph shows the average amount of rainfall per month for Iōjima.
Climate table of Iōjima
In this climate table you can see at a glance what the average weather per month is for Iōjima. 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 Iōjima might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 13 | 14 | 16 | 19 | 22 | 25 | 28 | 30 | 28 | 24 | 20 | 15 |
Night temp. (°C) | 10 | 10 | 12 | 16 | 19 | 22 | 26 | 27 | 25 | 21 | 17 | 12 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 41 | 61 | 59 | 57 | 89 | 227 | 133 | 92 | 125 | 64 | 80 | 48 |
Days with rain | 17 | 15 | 15 | 14 | 12 | 21 | 20 | 18 | 17 | 13 | 15 | 17 |
Dry days | 14 | 13 | 16 | 16 | 19 | 9 | 11 | 13 | 13 | 18 | 15 | 14 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 6 | 7 | 8 | 9 | 8 | 10 | 11 | 9 | 6 | 5 | 5 |
Wind force (Bft) | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
UV-index | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 6 | 6 | 5 | 3 |
Best time to visit Iōjima
The best time to visit Iōjima, Japan is April and May, August and October and November. In this period you have a warm temperature and little precipitation. On the island of Iōjima, the warmest month is August with 30°C and the coldest is January with 13°C.
Climate of Iōjima by month
What is the average climate in a given month for Iōjima? 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.
Iōjima weather experiences
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