Cool
Average highs are around 17°C, so pack for cooler days.
January verdict
Amami Islands, Japan in January
Weather score28Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 2.4h per day, so this is not one of the brighter months. Rainfall averages 145mm, so some wet days are possible.
January weather
Monthly averages
Temp
17°C
Rain
145mm
Sun
2.4h
Sea
21°C
Weather score
28
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 145mm, so some wet days are possible.
Limited sun
Sunshine averages 2.4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Weather map
Compare Amami Islands, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January17°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
January145mm average rain
January sits on the drier side of Amami Islands' year, which helps with sightseeing and transfers.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January2.4 hours average sun
January is one of Amami Islands' cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January21°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
January28 weather score
January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to October
These months have the strongest weather score in the monthly averages.
