Cool
Average highs are around 19°C, so pack for cooler days.
May verdict
Iwaki, Japan in May
Weather score34Poor
Poor for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 138mm, so some wet days are possible.
May weather
Monthly averages
Temp
19°C
Rain
138mm
Sun
6.3h
Sea
16°C
Weather score
34
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 138mm, so some wet days are possible.
Some sun
Sunshine averages 6.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Weather map
Compare Iwaki, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May19°C average high
May is close to Iwaki's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
May138mm average rain
May is wetter than Iwaki's yearly average, so flexible plans matter more.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.3 hours average sun
May is one of Iwaki's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May16°C average sea
May is below Iwaki'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
May34 weather score
May scores below Iwaki's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels near Iwaki, Japan
Marriott
Fairfield by Marriott Tochigi MotegiTochigi, Tochigi, Japan
Four Points Flex by Sheraton UtsunomiyaUtsunomiya, Tochigi, Japan
Fairfield by Marriott Tochigi UtsunomiyaTochigi, Tochigi, Japan
Fairfield by Marriott Tochigi NikkoTochigi, Tochigi, Japan
The Ritz-Carlton, NikkoNikko, Tochigi, Japan
The Westin SendaiSendai, Miyagi, Japan