18.07
sat
sat
Day
88°F
N 5 mph
Precip.
6%
6%
Night
73°F
E 2 mph
Precip.
15%
15%
19.07
sun
sun
Day
86°F
N 6 mph
Precip.
6%
6%
Night
73°F
E 2 mph
Precip.
15%
15%
20.07
mon
mon
Day
86°F
NE 4 mph
Precip.
18%
18%
Night
73°F
E 1 mph
Precip.
20%
20%
21.07
tue
tue
Day
88°F
N 4 mph
Precip.
5%
5%
Night
73°F
E 1 mph
Precip.
14%
14%
22.07
wed
wed
Day
88°F
N 5 mph
Precip.
4%
4%
Night
75°F
S 3 mph
Precip.
14%
14%
23.07
thu
thu
Day
90°F
N 3 mph
Precip.
3%
3%
Night
75°F
S 4 mph
Precip.
11%
11%
24.07
fri
fri
Day
90°F
N 4 mph
Precip.
4%
4%
Night
75°F
S 1 mph
Precip.
11%
11%
sea water
temperature
temperature
| Hiroshima |
monthly
weather
weather
| Hiroshima |
current
weather
weather
| Hiroshima |
14 days
forecast
forecast
| Hiroshima |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.4°F. The highest and lowest sea temperatures during the month were 82.9°F and 71.4°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.
Air temperature in Hiroshima, °F
Precipitation total in Hiroshima, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hiroshima
Hiroshima on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Hiroshima
Local time: 21:09
July 19, sunday
0000
73°F
E
2 mph
2 mph
0300
73°F
E
1 mph
1 mph
0600
75°F
NE
1 mph
1 mph
0900
84°F
N
2 mph
2 mph
1200
86°F
N
6 mph
6 mph
1500
88°F
N
5 mph
5 mph
1800
84°F
N
4 mph
4 mph
2100
75°F
NE
2 mph
2 mph
