Current sea water temperature:
+58.1°F
| Minimum sea water temperature in April: | 63.9°F |
| Maximum sea water temperature in April: | 52.5°F |
| Average sea water temperature in April: | 58.4°F |
| more information | |
14 days
forecast
forecast
| Osaka |
monthly
weather
weather
| Osaka |
Sea water temperature for the last 10 days:
| April 6 | 58.1°F | April 1 | 56.5°F |
| April 5 | 57.0°F | March 31 | 54.9°F |
| April 4 | 55.6°F | March 30 | 53.4°F |
| April 3 | 55.0°F | March 29 | 53.6°F |
| April 2 | 55.9°F | March 28 | 52.7°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
April
April
| Osaka |
Best time for vacation in Osaka
Osaka on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Osaka
Local time: 09:11
April 07, tuesday
1200

48°F
S
13 mph
13 mph
1500

50°F
S
10 mph
10 mph
1800

52°F
S
15 mph
15 mph
2100

48°F
S
11 mph
11 mph
April 08, wednesday
0000

46°F
S
11 mph
11 mph
0300

46°F
S
6 mph
6 mph
0600

45°F
SW
1 mph
1 mph
0900

52°F
S
7 mph
7 mph



























