Mild
Average highs are around 20°C, so days are mild rather than hot.
May verdict
Sendai, Miyagi, Japan in May
Weather score38Poor
Poor for holiday weather
Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 104mm, so some wet days are possible.
May weather
Monthly averages
Temp
20°C
Rain
104mm
Sun
6.5h
Sea
13°C
Weather score
38
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 104mm, so some wet days are possible.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Sendai, Miyagi, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May20°C average high
May is close to Sendai's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May104mm average rain
May sits near Sendai's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.5 hours average sun
May is one of Sendai's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May13°C average sea
May is below Sendai'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
May38 weather score
May sits close to Sendai's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
