Cool
Average highs are around 13°C, so pack for cooler days.
March verdict
Karatsu, Japan in March
Weather score20Poor
Poor for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 124mm, so some wet days are possible.
March weather
Monthly averages
Temp
13°C
Rain
124mm
Sun
5.1h
Sea
14°C
Weather score
20
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 124mm, so some wet days are possible.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Weather map
Compare Karatsu, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March13°C average high
March is on the cooler side of Karatsu's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
March124mm average rain
March sits on the drier side of Karatsu's 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
March5.1 hours average sun
March sits close to Karatsu'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
March14°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
March20 weather score
March 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.
Hotels near Karatsu, Japan
Marriott
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Fairfield by Marriott Fukuoka UkihaUkiha, Fukuoka, Japan