Average sea water temperature in October:
+73.7°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:
2025
2024
2023
The average sea water temperature in October of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 78.1°F and 72.0°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 2025 | October 2024 |
|---|---|---|
| Okinawa | 84.7°F | 82.9°F |
| Nagasaki | 79.8°F | 78.4°F |
| Fukuoka | 76.5°F | 74.9°F |
| Hiroshima | 75.8°F | 76.3°F |
| Kobe | 75.2°F | 75.8°F |
| Hakone | 75.1°F | 75.8°F |
| Atami | 75.1°F | 76.5°F |
| Nagoya | 74.6°F | 76.0°F |
| Osaka | 74.3°F | 75.5°F |
| Kamakura | 74.2°F | 74.8°F |
| Nara | 74.1°F | 75.0°F |
| Kyoto | 73.4°F | 73.6°F |
| Yokohama | 72.9°F | 73.0°F |
| Tokyo | 72.9°F | 73.2°F |
| Sapporo | 65.1°F | 64.3°F |
| Noboribetsu | 63.8°F | 64.6°F |
Best time for vacation in Hiroshima
Hiroshima on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hiroshima
Local time: 00:32
December 06, saturday
0300
34°F
SE
2 mph
2 mph
0600
34°F
S
3 mph
3 mph
0900
43°F
SE
1 mph
1 mph
1200
48°F
NE
5 mph
5 mph
1500
50°F
N
7 mph
7 mph
1800
43°F
E
5 mph
5 mph
2100
43°F
NE
4 mph
4 mph
December 07, sunday
0000
45°F
E
4 mph
4 mph
