Cool
Average highs are around 10°C, so pack for cooler days.
December verdict
Iwaki, Japan in December
Weather score28Poor
Poor for holiday weather
Average highs are around 10°C, so pack for cooler days. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 35mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
10°C
Rain
35mm
Sun
5.2h
Sea
16°C
Weather score
28
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 35mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Weather map
Compare Iwaki, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December10°C average high
December is on the cooler side of Iwaki's year, useful if you prefer less intense daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
December35mm average rain
December is one of Iwaki's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December5.2 hours average sun
December sits close to Iwaki's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December16°C average sea
December is below Iwaki'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
December28 weather score
December scores below Iwaki's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels near Iwaki, Japan
Marriott
Fairfield by Marriott Tochigi MotegiTochigi, Tochigi, Japan
Four Points Flex by Sheraton UtsunomiyaUtsunomiya, Tochigi, Japan
Fairfield by Marriott Tochigi UtsunomiyaTochigi, Tochigi, Japan
Fairfield by Marriott Tochigi NikkoTochigi, Tochigi, Japan
The Ritz-Carlton, NikkoNikko, Tochigi, Japan
The Westin SendaiSendai, Miyagi, Japan