21.12
sun
sun
Day
55°F
S 9 mph
Precip.
0%
0%
Night
43°F
S 9 mph
Precip.
0%
0%
22.12
mon
mon
Day
50°F
SW 9 mph
Precip.
0%
0%
Night
37°F
SW 7 mph
Precip.
0%
0%
23.12
tue
tue
Day
48°F
N 1 mph
Precip.
0%
0%
Night
46°F
SE 1 mph
Precip.
0%
0%
24.12
wed
wed
Day
52°F
E 2 mph
Precip.
100%
100%
Night
50°F
S 5 mph
Precip.
66%
66%
25.12
thu
thu
Day
52°F
SE 8 mph
Precip.
100%
100%
Night
39°F
SE 13 mph
Precip.
0%
0%
26.12
fri
fri
Day
41°F
SE 16 mph
Precip.
61%
61%
Night
36°F
SE 4 mph
Precip.
87%
87%
27.12
sat
sat
Day
43°F
E 2 mph
Precip.
0%
0%
Night
34°F
S 5 mph
Precip.
0%
0%
sea water
temperature
temperature
| Hiroshima |
monthly
weather
weather
| Hiroshima |
current
weather
weather
| Hiroshima |
14 days
forecast
forecast
| Hiroshima |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 62.3°F. The highest and lowest sea temperatures during the month were 64.8°F and 59.9°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 56.1°F. The highest and lowest sea temperatures during the month were 58.6°F and 52.0°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: 13:11
December 21, sunday
1500
54°F
S
9 mph
9 mph
1800
46°F
S
12 mph
12 mph
2100
45°F
S
10 mph
10 mph
December 22, monday
0000
43°F
S
9 mph
9 mph
0300
39°F
S
6 mph
6 mph
0600
37°F
S
5 mph
5 mph
0900
45°F
SW
7 mph
7 mph
1200
50°F
SW
9 mph
9 mph
