Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Weather Guide
Fukuoka, Fukuoka, Japan Average Monthly Weather
Weather score38Poor annual avg
Best months: September, August, October
Across the year, average daytime temperatures are around 20°C, sunshine averages 4.9h per day, and rainfall totals about 1731mm. Sea temperatures average 20°C across the year.
Annual weather
Annual averages
Temp
20°C
Rain
1731mm
Annual total
Sun
4.9h
Sea
20°C
Weather score
38
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 163mm, so some wet days are possible.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Fukuoka, Fukuoka, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August32°C average high
August is one of Fukuoka's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August163mm average rain
August sits near Fukuoka's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
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
August6.5 hours average sun
August is one of Fukuoka's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August27°C average sea
August is one of Fukuoka's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
August58 weather score
August is one of Fukuoka's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.
