Cool
Average highs are around 7°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 7°C, so pack for cooler days. Sunshine averages 1.9h per day, so this is not one of the brighter months. Rainfall averages 183mm, so showers are a real planning factor.
Monthly averages
Temp
7°C
Rain
183mm
Sun
1.9h
Sea
15°C
Weather score
8
Poor
Cool
Average highs are around 7°C, so pack for cooler days.
Wet
Rainfall averages 183mm, so showers are a real planning factor.
Limited sun
Sunshine averages 1.9h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Compare Awashima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
December7°C average high
December is on the cooler side of Awashima's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
December183mm average rain
December is one of Awashima's wettest months, so rain is likely to be a major planning factor.
Driest monthsFebruary to June
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December1.9 hours average sun
December is one of Awashima's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to June and August
This stretch has the strongest sunshine in the monthly averages.
December15°C average sea
December is below Awashima's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
December8 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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