Current sea water temperature:
+81.1°F
| Minimum sea water temperature in July: | 85.6°F |
| Maximum sea water temperature in July: | 70.7°F |
| Average sea water temperature in July: | 77.6°F |
| more information | |
14 days
forecast
forecast
| Hiroshima |
monthly
weather
weather
| Hiroshima |
Sea water temperature for the last 10 days:
| July 16 | 81.1°F | July 11 | 78.4°F |
| July 15 | 82.9°F | July 10 | 78.6°F |
| July 14 | 82.0°F | July 9 | 75.4°F |
| July 13 | 79.9°F | July 8 | 72.7°F |
| July 12 | 78.6°F | July 7 | 73.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Hiroshima?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hiroshima was noticed in August, September and July.
Monthly Sea Temperatures in Hiroshima, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 83.2°F. The highest and lowest sea temperatures during the month were 84.9°F and 80.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 81.4°F. The highest and lowest sea temperatures during the month were 84.7°F and 77.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.0°F. The highest and lowest sea temperatures during the month were 82.9°F and 71.4°F.
current
weather
weather
| Hiroshima |
weather in
July
July
| Hiroshima |
Best time for vacation in Hiroshima
Hiroshima on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hiroshima
Local time: 11:00
July 17, friday
1200
82°F
NE
1 mph
1 mph
1500
84°F
NE
2 mph
2 mph
1800
79°F
NE
2 mph
2 mph
2100
73°F
E
1 mph
1 mph
July 18, saturday
0000
73°F
W
1 mph
1 mph
0300
73°F
N
1 mph
1 mph
0600
75°F
W
1 mph
1 mph
0900
82°F
N
4 mph
4 mph
