Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
December verdict
Ogasawara Islands, Japan in December
Weather score62Good
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 86mm, so some wet days are possible.
December weather
Monthly averages
Temp
27°C
Rain
86mm
Sun
0h
Sea
24°C
Weather score
62
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 86mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Ogasawara Islands, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December27°C average high
December is close to Ogasawara Islands' yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
Rain
December86mm average rain
December sits near Ogasawara Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December0 hours average sun
December is close to Ogasawara Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
December24°C average sea
December is close to Ogasawara Islands' yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
December62 weather score
December scores below Ogasawara Islands' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to September and November
These months have the strongest weather score in the monthly averages.