Cool
Average highs are around 8°C, so pack for cooler days.
December verdict
Sendai, Miyagi, Japan in December
Weather score22Poor
Poor for holiday weather
Average highs are around 8°C, so pack for cooler days. Sunshine averages 4.2h per day, so this is not one of the brighter months. Rainfall averages 38mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
8°C
Rain
38mm
Sun
4.2h
Sea
13°C
Weather score
22
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 38mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.2h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Sendai, Miyagi, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December8°C average high
December is on the cooler side of Sendai'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
December38mm average rain
December is one of Sendai's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December4.2 hours average sun
December is one of Sendai's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December13°C average sea
December is below Sendai's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 21°C in this stretch, so swimming comfort is at its strongest.
Weather score
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 monthsJuly to August
These months have the strongest weather score in the monthly averages.
