Current sea water temperature:
+85.1°F
| Minimum sea water temperature in August: | 86.7°F |
| Maximum sea water temperature in August: | 75.6°F |
| Average sea water temperature in August: | 81.2°F |
| more information | |
14 days
forecast
forecast
| Hiroshima |
monthly
weather
weather
| Hiroshima |
Sea water temperature for the last 10 days:
| August 5 | 85.1°F | July 31 | 84.9°F |
| August 4 | 84.7°F | July 30 | 85.3°F |
| August 3 | 84.7°F | July 29 | 84.6°F |
| August 2 | 83.3°F | July 28 | 84.7°F |
| August 1 | 83.3°F | July 27 | 85.3°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 79.5°F. The highest and lowest sea temperatures during the month were 85.3°F and 71.4°F.
current
weather
weather
| Hiroshima |
weather in
August
August
| Hiroshima |
Best time for vacation in Hiroshima
Hiroshima on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hiroshima
Local time: 13:13
August 06, thursday
1500
91°F
W
9 mph
9 mph
1800
86°F
W
7 mph
7 mph
2100
77°F
SW
6 mph
6 mph
August 07, friday
0000
75°F
SW
6 mph
6 mph
0300
75°F
SW
6 mph
6 mph
0600
75°F
SW
7 mph
7 mph
0900
84°F
W
11 mph
11 mph
1200
91°F
NW
12 mph
12 mph
