Cool
Average highs are around 20°C, so pack for cooler days.
May verdict
Shiroishi, Japan in May
Weather score35Poor
Poor for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 96mm, so some wet days are possible.
May weather
Monthly averages
Temp
20°C
Rain
96mm
Sun
6.5h
Sea
13°C
Weather score
35
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 96mm, 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 Shiroishi, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May20°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May96mm average rain
May sits near Shiroishi's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April 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 Shiroishi'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 Shiroishi'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
May35 weather score
May sits close to Shiroishi'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.
Hotels near Shiroishi, Japan
Marriott
The Westin SendaiSendai, Miyagi, Japan
Fairfield by Marriott Tochigi NikkoTochigi, Tochigi, Japan
Fairfield by Marriott Tochigi UtsunomiyaTochigi, Tochigi, Japan
Fairfield by Marriott Tochigi MotegiTochigi, Tochigi, Japan
The Ritz-Carlton, NikkoNikko, Tochigi, Japan
Four Points Flex by Sheraton UtsunomiyaUtsunomiya, Tochigi, Japan