Cool
Average highs are around 4°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 4°C, so pack for cooler days. Sunshine averages 3.8h per day, so this is not one of the brighter months. Rainfall averages 61mm, which is relatively low for holiday planning.
Monthly averages
Temp
4°C
Rain
61mm
Sun
3.8h
Weather score
23
Poor
Cool
Average highs are around 4°C, so pack for cooler days.
Drier
Rainfall averages 61mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 3.8h per day, so this is not one of the brighter months.
Map
Compare Inawashiro, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
December4°C average high
December is on the cooler side of Inawashiro's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
December61mm average rain
December is one of Inawashiro's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to May and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December3.8 hours average sun
December is one of Inawashiro's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
December23 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.
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