Current sea water temperature:
+53.8°F
| Minimum sea water temperature in January: | 60.4°F |
| Maximum sea water temperature in January: | 48.0°F |
| Average sea water temperature in January: | 55.1°F |
| more information | |
14 days
forecast
forecast
| Osaka |
monthly
weather
weather
| Osaka |
Sea water temperature for the last 10 days:
| January 11 | 53.8°F | January 6 | 56.8°F |
| January 10 | 54.0°F | January 5 | 56.5°F |
| January 9 | 54.7°F | January 4 | 56.3°F |
| January 8 | 54.1°F | January 3 | 56.1°F |
| January 7 | 57.0°F | January 2 | 56.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Osaka?
Based on the data about daily sea water temperature for the last three years the warmest sea in Osaka was noticed in August, September and July.
Monthly Sea Temperatures in Osaka, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 86.9°F and 83.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 82.5°F. The highest and lowest sea temperatures during the month were 87.1°F and 75.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.0°F. The highest and lowest sea temperatures during the month were 86.2°F and 79.5°F.
current
weather
weather
| Osaka |
weather in
January
January
| Osaka |
Best time for vacation in Osaka
Osaka on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Osaka
Local time: 12:08
January 12, monday
1500
43°F
E
9 mph
9 mph
1800
41°F
NE
7 mph
7 mph
2100
43°F
NE
9 mph
9 mph
January 13, tuesday
0000
41°F
N
7 mph
7 mph
0300
41°F
N
6 mph
6 mph
0600
39°F
N
8 mph
8 mph
0900
46°F
NE
9 mph
9 mph
1200
50°F
NE
17 mph
17 mph
