Mild
Average highs are around 21°C, so days are mild rather than hot.
December verdict
Kumejima, Japan in December
Weather score43Mixed
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 3.4h per day, so this is not one of the brighter months. Rainfall averages 113mm, so some wet days are possible.
December weather
Monthly averages
Temp
21°C
Rain
113mm
Sun
3.4h
Sea
24°C
Weather score
43
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 113mm, so some wet days are possible.
Limited sun
Sunshine averages 3.4h 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 Kumejima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December21°C average high
December is on the cooler side of Kumejima'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
December113mm average rain
December is one of Kumejima's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December3.4 hours average sun
December is one of Kumejima's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December24°C average sea
December is below Kumejima's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December43 weather score
December scores below Kumejima's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly and September to October
These months have the strongest weather score in the monthly averages.
Hotels near Kumejima, Japan
Marriott
Renaissance Okinawa ResortOnna-son, Kunigami-gun, Japan
Sheraton Okinawa Sunmarina ResortKunigami-gun, Okinawa, Japan
The Ritz-Carlton, OkinawaNago City, Okinawa, Japan
Courtyard by Marriott Okinawa ResortNago, Okinawa, Japan
IRAPH SUI, a Luxury Collection Hotel, Miyako OkinawaMiyakojima-city, Okinawa, Japan