Cool
Average highs are around 5°C, so pack for cooler days.
December verdict
Shiroishi, Japan in December
Weather score20Poor
Poor for holiday weather
Average highs are around 5°C, so pack for cooler days. Sunshine averages 3.7h per day, so this is not one of the brighter months. Rainfall averages 50mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
5°C
Rain
50mm
Sun
3.7h
Sea
13°C
Weather score
20
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 50mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 3.7h 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 Shiroishi, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December5°C average high
December is on the cooler side of Shiroishi'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
December50mm average rain
December is one of Shiroishi's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December3.7 hours average sun
December is one of Shiroishi'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 Shiroishi'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
December20 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.
Hotels near Shiroishi, Japan
Marriott
The Westin SendaiSendai, Miyagi, Japan
Fairfield by Marriott Tochigi NikkoTochigi, Tochigi, Japan
Fairfield by Marriott Tochigi UtsunomiyaTochigi, Tochigi, Japan
Fairfield by Marriott Tochigi MotegiTochigi, Tochigi, Japan
The Ritz-Carlton, NikkoNikko, Tochigi, Japan
Four Points Flex by Sheraton UtsunomiyaUtsunomiya, Tochigi, Japan