Average sea water temperature in October:
+73.9°F
| Minimum sea water temperature in October: | 80.4°F |
| Maximum sea water temperature in October: | 68.7°F |
Daily sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 76.1°F. The highest and lowest sea temperatures during the month were 77.4°F and 74.5°F.
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| Hiroshima |
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| Hiroshima |
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| Hiroshima |
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| Hiroshima |
Monthly sea water temperature in Hiroshima, °F
Which Japan resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| Okinawa | 82.7°F | 84.7°F |
| Nagasaki | 77.5°F | 79.8°F |
| Kobe | 77.3°F | 75.2°F |
| Osaka | 77.3°F | 74.3°F |
| Nara | 76.1°F | 74.1°F |
| Hiroshima | 76.1°F | 75.8°F |
| Nagoya | 75.5°F | 74.6°F |
| Atami | 75.4°F | 75.1°F |
| Fukuoka | 75.1°F | 76.5°F |
| Hakone | 75.0°F | 75.1°F |
| Kamakura | 74.1°F | 74.2°F |
| Yokohama | 73.6°F | 72.9°F |
| Kyoto | 73.5°F | 73.4°F |
| Tokyo | 72.5°F | 72.9°F |
| Sapporo | 64.8°F | 65.1°F |
| Noboribetsu | 62.2°F | 63.8°F |
Best time for vacation in Hiroshima
Hiroshima on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hiroshima
Local time: 06:40
October 26, monday
0900
64°F
SW
7 mph
7 mph
1200
64°F
SW
7 mph
7 mph
1500
66°F
S
6 mph
6 mph
1800
66°F
S
6 mph
6 mph
2100
66°F
S
8 mph
8 mph
October 27, tuesday
0000
66°F
S
8 mph
8 mph
0300
63°F
S
7 mph
7 mph
0600
61°F
S
7 mph
7 mph
