Cool
Average highs are around 11°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 3.4h per day, so this is not one of the brighter months. Rainfall averages 64mm, which is relatively low for holiday planning.
Monthly averages
Temp
11°C
Rain
64mm
Sun
3.4h
Sea
18°C
Weather score
22
Poor
Cool
Average highs are around 11°C, so pack for cooler days.
Drier
Rainfall averages 64mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 3.4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Compare Ureshino, Saga, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
December11°C average high
December 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.
December64mm average rain
December is one of Ureshino's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December3.4 hours average sun
December is one of Ureshino's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
December18°C average sea
December is below Ureshino's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
December22 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 monthsAugust to October
These months have the strongest weather score in the monthly averages.