Weathermondo.comAmami Ōshima climate and temperatures
The climate of Amami Ōshima is Temperate oceanic climate (Köppen: Cfa), with warm summers and precipitation throughout the year. Monthly temperatures range from a minimum of 18°C in winter (December–February) to a maximum of 32°C in summer (June–August). The average annual temperature is around 26°C.
During the winter months, nighttime temperatures can drop to an average of 13°C, while summer nights average around 27°C.
Climate table of Amami Ōshima
The climate table below gives you a clear overview of the climate in Amami Ōshima by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 14 | 16 | 17 | 19 | 23 | 27 | 30 | 30 | 27 | 23 | 18 | 16 |
| Temp. min (°C) | 6 | 7 | 9 | 11 | 15 | 19 | 22 | 22 | 19 | 15 | 10 | 7 |
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| Rainfall (mm) | 46 | 34 | 46 | 64 | 43 | 23 | 22 | 75 | 77 | 84 | 61 | 25 |
| UV index | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 5 | 4 | 4 |
Best time to visit Amami Ōshima
The best time to visit Amami Ōshima is March, April, May, June, October, November en December. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between March and December, average high temperatures range roughly from 21°C to 20°C, while rainfall remains limited. The warmest month is July, with an average daytime temperature of around 32°C. The driest month is January, with about 132 mm of rainfall, while June is usually the wettest month of the year, with approximately 484 mm. Snow plays virtually no role in the climate here.
Average temperature per month
This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Amami Ōshima. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.
Average rainfall per month
This chart shows the average monthly rainfall in Amami Ōshima. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.
Average UV index per month
This chart shows the average monthly sun intensity in Amami Ōshima. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.
Average annual temperature
This chart shows the average annual temperature in Amami Ōshima based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.
Average annual rainfall
This chart shows the average annual rainfall in Amami Ōshima over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.
Weather experiences in Amami Ōshima
The weather in Amami Ōshima is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Amami Ōshima? Share your experience with the weather to help other visitors plan their trip.
Average weather per month
Click on a month below and discover what the weather in Amami Ōshima is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.