Cool
Average highs are around 14°C, so pack for cooler days.
Weather Guide
Sera, Hiroshima, Japan Average Monthly Weather
Weather score37Poor annual avg
Best months: August, July, September
Across the year, average daytime temperatures are around 17°C, sunshine averages 5.1h per day, and rainfall totals about 1509mm. Sea temperatures average 19°C across the year.
Annual weather
Annual averages
Temp
17°C
Rain
1509mm
Annual total
Sun
5.1h
Sea
19°C
Weather score
37
Poor avg
Seasonal climate calendar
Trip feel
Drier
Rainfall averages 72mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.5h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 20°C, so the water can feel cool.
Map
Weather map
Compare Sera, Hiroshima, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
November14°C average high
November is on the cooler side of Sera's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
November72mm average rain
November sits on the drier side of Sera's year, which helps with sightseeing and transfers.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
November4.5 hours average sun
November is below Sera's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsApril to May and August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
November20°C average sea
November is close to Sera's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
November28 weather score
November scores below Sera'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.
