Climate averages 1991–2020

Higashihiroshima weather
in August.

A hot, wet month: the warmest and the 8th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 29.6°C Daytime mean, August
Average low 23.1°C Night-time mean, August
Rainfall 132 mm 13 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Higashihiroshima · average highYear overview

August is a hot month in Higashihiroshima: daytime highs average 29.6°C and nights cool to about 23.1°C. By daytime temperature it is the warmest month of the year.

Expect about 132 mm of rain on roughly 13 days, which makes August a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 26 min on an average August day.

The nearest other city in this atlas is Kure (25 km away). In August its highs average 28.4°C, 1.2°C cooler than Higashihiroshima, with 120 mm of rain.

Among the 303 cities listed in Japan, Higashihiroshima ranks joint 147th of 303 for the warmest August highs and joint 104th of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Higashihiroshima is 0.4°C warmer than that mean.

From August to September, average highs fall by 3.4°C to 26.2°C, and monthly rainfall rises from 132 mm to 169 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Higashihiroshima climate table

1991–2020
Monthly climate averages for Higashihiroshima, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 7.5°C0.4°C0.4°C456.010.110 h
February 8.6°C0.8°C0.8°C598.010.911 h
March 12.3°C3.4°C3.4°C10110.511.912 h
April 17.3°C8.1°C8.1°C1179.813.013 h
May 21.7°C13.0°C13.0°C1349.813.914 h
June 24.8°C17.7°C17.7°C20113.314.414 h
July 28.1°C22.1°C22.1°C22514.414.214 h
August, selected 29.6°C23.1°C23.1°C13212.513.413 h
September 26.2°C19.3°C19.3°C16911.512.412 h
October 20.8°C13.2°C13.2°C1027.811.311 h
November 15.2°C7.6°C7.6°C636.610.410 h
December 9.7°C2.6°C2.6°C536.39.910 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

August in nearby cities

Distance from Higashihiroshima

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Higashihiroshima) is explained once on the Higashihiroshima year overview and on the Sources, method and limits page.