The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Hiroshima Weather in August

Hiroshima in August

The short of it: Hiroshima in August averages a high of 32 °C (90 °F) and a low of 25 °C (76 °F), with 193 mm (7.6 in) of rain and about 13 h 26 min of daylight. Rated 2 of 5 for a visit; the best months are October and May. Source: TerraClimate climate normals, 1991–2020.

Average high 32° · low 25° · rain 193 mm · daylight 13 h 26 min

✦✦ Travel with care for a visit · best months: October & May

Thirty years of records give Hiroshima an average August high of 32°, a low of 25° and some 193 mm of rain. No month in Hiroshima runs warmer: highs about 32°. Wet spells are common — about 193 mm, the 4th wettest month.

The sun is up for about 13 h 26 min in mid-August, 48 minutes less than a month before.

For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates August 2 of 5 for a visit; the finest months here are October and May.

Against its neighbours, Hiroshima runs warmer than most and wetter than most in August. Gion, 4 km to the NNE, sees much the same highs.

August in Hiroshima, by the numbers

Warmth rank
1st warmest of 12
Rain rank
4th wettest of 12
Versus July
2° warmer, 73 mm less rain
Versus September
4° warmer
Day–night spread
8°
Snow season
seldom any
Daylight, mid-month
13 h 26 min
Average wind
11 km/h

Neighbouring Towns

August averages · distance by the crow’s flight
TownDistanceHighLowRain
GionHiroshima4 km NNE32°24°195 mm
FuchūHiroshima6 km ESE32°24°187 mm
KaitaichiHiroshima8 km ESE32°25°184 mm
SakaHiroshima10 km SE31°24°171 mm
HatsukaichiHiroshima12 km WSW31°24°177 mm
KumanoHiroshima13 km SE31°24°173 mm
MiyajimaHiroshima16 km SW31°24°166 mm
EtajimaHiroshima18 km S31°24°156 mm

The Almanac · Hiroshima Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Travel with care
The Almanac Speaks
August
✦✦✦✦✦

No month in Hiroshima runs warmer: highs about 32°. Wet spells are common — about 193 mm, the 4th wettest month.

Climate of Hiroshima by month
MonthHighLowRainWindDaylightVisit
January10°2°62 mm13 km/h10 h 5 min✦✦
February11°2°76 mm13 km/h10 h 54 min✦✦
March14°5°137 mm13 km/h11 h 53 min✦✦
April19°10°152 mm12 km/h13 h 0 min✦✦✦
May24°15°175 mm12 km/h13 h 57 min✦✦✦
June27°19°260 mm11 km/h14 h 26 min✦✦✦
July30°24°266 mm11 km/h14 h 14 min✦✦
August32°25°193 mm11 km/h13 h 26 min✦✦
September28°20°226 mm12 km/h12 h 20 min✦✦✦
October23°15°151 mm12 km/h11 h 15 min✦✦✦
November18°9°93 mm11 km/h10 h 19 min✦✦✦
December12°4°65 mm12 km/h9 h 52 min✦✦✦

Questions Readers Ask about Hiroshima in August

Answered from the wire & the Almanac

What is the weather like in Hiroshima in August?

Days average 32 °C (90 °F) and nights 25 °C (76 °F), with about 193 mm (7.6 in) of rain over the month. No month in Hiroshima runs warmer: highs about 32°. Wet spells are common — about 193 mm, the 4th wettest month.

Is August a good time to visit Hiroshima?

The Almanac gives August 2 of 5 (travel with care). The best months are October and May.

How long are the days in Hiroshima in August?

In mid-August the sun is up for about 13 h 26 min. The days are shortening — from 9 h 52 min in December to 14 h 26 min in June.

Does it snow in Hiroshima in August?

Hardly — August nights average 25 °C (76 °F), above freezing.

What should I pack for Hiroshima in August?

Linen, a wide hat, sun cream and water, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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