Current sea water temperature:
+56.3°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 1 | 56.3°F | December 27 | 57.9°F |
| December 31 | 56.5°F | December 26 | 57.7°F |
| December 30 | 56.5°F | December 25 | 57.9°F |
| December 29 | 55.9°F | December 24 | 57.7°F |
| December 28 | 56.5°F | December 23 | 57.6°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: 18:48
January 01, thursday
2100
43°F
SE
9 mph
9 mph
January 02, friday
0000
41°F
E
7 mph
7 mph
0300
41°F
E
14 mph
14 mph
0600
39°F
E
15 mph
15 mph
0900
39°F
E
17 mph
17 mph
1200
41°F
E
20 mph
20 mph
1500
43°F
E
19 mph
19 mph
1800
37°F
S
14 mph
14 mph
