Hiroshima Weather in August
Japan · August climate averages and travel tips
Avg high31°C (88°F)
Avg low23°C (73°F)
Rainfall140 mm (5.5 in)
RatingPoor 3.8/10
In August, Hiroshima has average highs of 31°C (88°F) and lows of 23°C (73°F). August is summer in Japan. The month is wet, with about 140 mm (5.5 in) of rain spread over 12 days. Humidity averages 83%, so it feels sticky and hotter than the thermometer suggests. You get roughly 13.3 hours of daylight and frequently cloudy skies.
Is August a good time to visit Hiroshima?
August is not the best time to visit Hiroshima (3.8/10) mainly because of the rain. The weather is much better in October and November.
August weather at a glance
| Average high | 31°C (88°F) |
|---|---|
| Average low | 23°C (73°F) |
| Daily mean | 27°C (80°F) |
| Rainfall | 140 mm (5.5 in) |
| Rainy days (1 mm+) | 12 |
| Humidity | 83% |
| Cloud cover | 65% |
| Daylight | 13.3 hours |
| Est. sunshine | 5.1 hours/day |
| Wind | 5.9 km/h |
| vs July | 1°C warmer than July, with 137 mm less rain. |
What to pack for Hiroshima in August
- light, breathable clothing
- sunscreen and a hat
- an umbrella or rain jacket
Hiroshima weather in other months
Jan8°C / 0°C60 mmFairFeb9°C / 0°C77 mmFairMar13°C / 2°C112 mmFairApr18°C / 7°C136 mmGoodMay23°C / 12°C144 mmGoodJun26°C / 17°C215 mmPoorJul30°C / 22°C277 mmPoorAug31°C / 23°C140 mmPoorSep27°C / 19°C169 mmFairOct22°C / 12°C103 mmExcellentNov16°C / 7°C83 mmGoodDec10°C / 1°C75 mmFair
← JulyBest time to visit HiroshimaSeptember →
Better weather in August nearby
- Astana25°C · 30 mm · Excellent
- Baku29°C · 3 mm · Excellent
- Sanaa29°C · 13 mm · Excellent
- Istanbul30°C · 17 mm · Excellent
- Ulan Bator23°C · 73 mm · Excellent
- Bali28°C · 27 mm · Excellent
Nearby in August
- Fukuoka32°C · 247 mm
- Kobe30°C · 154 mm
- Osaka31°C · 197 mm
- Nara31°C · 197 mm
- Kyoto31°C · 166 mm
- Ulsan28°C · 183 mm
Where else is good in August? See where to go in August.