December verdict

Mikurajima, Japan in December

Weather score29Poor

Poor for holiday weather

Average highs are around 12°C, so pack for cooler days. Sunshine averages 4.8h per day, so this is not one of the brighter months. Rainfall averages 101mm, so some wet days are possible.

December weather

Monthly averages

Temp

12°C

Rain

101mm

Sun

4.8h

Sea

21°C

Weather score

29

Poor

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Cool

Average highs are around 12°C, so pack for cooler days.

Showers

Rainfall averages 101mm, so some wet days are possible.

Limited sun

Sunshine averages 4.8h 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 Mikurajima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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December12°C average high

December is on the cooler side of Mikurajima's year, useful if you prefer less intense daytime heat.

Warmest monthsJuly to September

This stretch sets the upper range for average daytime heat.

December101mm average rain

December is one of Mikurajima's driest months, making outdoor days easier to plan than in wetter parts of the year.

Driest monthsJanuary to February and December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

December4.8 hours average sun

December sits close to Mikurajima's yearly sunshine average, so it is a middle-of-the-pack month for bright days.

Brightest monthsMay and August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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December21°C average sea

December is below Mikurajima's yearly sea-temperature average, so swimming can feel fresher.

Warmest seaJuly to September

Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.

Weather score

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December29 weather score

December scores below Mikurajima's yearly average, so the weather trade-offs are more noticeable.

Best weather monthsJuly to August

These months have the strongest weather score in the monthly averages.

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