Cool
Average highs are around 1°C, so pack for cooler days.
January verdict
Dewa Sanzan, Japan in January
Weather score13Poor
Poor for holiday weather
Average highs are around 1°C, so pack for cooler days. Sunshine averages 2.3h per day, so this is not one of the brighter months. Rainfall averages 114mm, so some wet days are possible.
January weather
Monthly averages
Temp
1°C
Rain
114mm
Sun
2.3h
Sea
12°C
Weather score
13
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 114mm, so some wet days are possible.
Limited sun
Sunshine averages 2.3h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Dewa Sanzan, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January1°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
January114mm average rain
January sits on the drier side of Dewa Sanzan's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January2.3 hours average sun
January is one of Dewa Sanzan's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January12°C average sea
January is below Dewa Sanzan's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
January13 weather score
January 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 Dewa Sanzan, Japan
Marriott
The Westin SendaiSendai, Miyagi, Japan
Four Points Flex by Sheraton MoriokaMorioka, Iwate, Japan
Fairfield by Marriott Tochigi NikkoTochigi, Tochigi, Japan
The Ritz-Carlton, NikkoNikko, Tochigi, Japan
Fairfield by Marriott Tochigi UtsunomiyaTochigi, Tochigi, Japan
Four Points Flex by Sheraton UtsunomiyaUtsunomiya, Tochigi, Japan