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 12 | 53.8°F | January 7 | 57.0°F |
| 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 |
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: 07:50
January 13, tuesday
0900
48°F
NE
9 mph
9 mph
1200
52°F
NE
17 mph
17 mph
1500
54°F
E
15 mph
15 mph
1800
50°F
E
14 mph
14 mph
2100
45°F
E
9 mph
9 mph
January 14, wednesday
0000
43°F
E
12 mph
12 mph
0300
39°F
E
12 mph
12 mph
0600
39°F
E
11 mph
11 mph
