30.12
tue
tue
Day
52°F
SE 7 mph
Precip.
0%
0%
Night
39°F
S 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
45°F
SE 11 mph
Precip.
0%
0%
Night
36°F
SE 4 mph
Precip.
66%
66%
01.01
thu
thu
Day
45°F
SE 11 mph
Precip.
0%
0%
Night
36°F
SE 9 mph
Precip.
0%
0%
02.01
fri
fri
Day
37°F
E 17 mph
Precip.
86%
86%
Night
34°F
SE 8 mph
Precip.
100%
100%
03.01
sat
sat
Day
41°F
E 9 mph
Precip.
69%
69%
Night
30°F
E 4 mph
Precip.
0%
0%
04.01
sun
sun
Day
48°F
E 14 mph
Precip.
88%
88%
Night
39°F
E 16 mph
Precip.
100%
100%
05.01
mon
mon
Day
41°F
S 17 mph
Precip.
100%
100%
Night
30°F
SE 3 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 61.6°F. The highest and lowest sea temperatures during the month were 64.8°F and 59.4°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: 13:31
December 30, tuesday
1500
52°F
SE
9 mph
9 mph
1800
43°F
S
8 mph
8 mph
2100
39°F
S
5 mph
5 mph
December 31, wednesday
0000
39°F
S
4 mph
4 mph
0300
37°F
SE
5 mph
5 mph
0600
36°F
SE
7 mph
7 mph
0900
41°F
SE
9 mph
9 mph
1200
45°F
SE
11 mph
11 mph
