Cool
Average highs are around 9°C, so pack for cooler days.
December verdict
Nanao (Japan), Japan in December
Weather score1Poor
Poor for holiday weather
Average highs are around 9°C, so pack for cooler days. Sunshine averages 1.8h per day, so this is not one of the brighter months. Rainfall averages 281mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
9°C
Rain
281mm
Sun
1.8h
Sea
16°C
Weather score
1
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 281mm, so showers are a real planning factor.
Limited sun
Sunshine averages 1.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Weather map
Compare Nanao (Japan), Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December9°C average high
December is on the cooler side of Nanao (Japan)'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
December281mm average rain
December is one of Nanao (Japan)'s wettest months, so rain is likely to be a major planning factor.
Driest monthsFebruary to June, August, and October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December1.8 hours average sun
December is one of Nanao (Japan)'s cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to May and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December16°C average sea
December is below Nanao (Japan)'s yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
December1 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 September
These months have the strongest weather score in the monthly averages.
Hotels near Nanao (Japan), Japan
Marriott
Four Points Flex by Sheraton KanazawaKanazawa, Ishikawa, Japan
Courtyard HakubaNagano, Nagano, Japan
Fairfield by Marriott Gifu Takayama Shirakawa GoGifu, Japan
Matsumoto Jujo, a Member of Design Hotels™Matsumoto, Nagano, Japan
Courtyard FukuiFukui, Fukui, Japan
Fairfield by Marriott Gifu GujoGifu, Gifu, Japan