Current sea water temperature:
+59.7°F
| Minimum sea water temperature in February: | 62.2°F |
| Maximum sea water temperature in February: | 55.4°F |
| Average sea water temperature in February: | 59.0°F |
| more information | |
14 days
forecast
forecast
| Nagasaki |
monthly
weather
weather
| Nagasaki |
Sea water temperature for the last 10 days:
| February 4 | 59.7°F | January 30 | 59.9°F |
| February 3 | 60.1°F | January 29 | 60.1°F |
| February 2 | 60.4°F | January 28 | 60.6°F |
| February 1 | 60.6°F | January 27 | 59.5°F |
| January 31 | 61.0°F | January 26 | 59.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Nagasaki?
Based on the data about daily sea water temperature for the last three years the warmest sea in Nagasaki was noticed in August, September and July.
Monthly Sea Temperatures in Nagasaki, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.8°F. The highest and lowest sea temperatures during the month were 86.4°F and 82.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 83.9°F. The highest and lowest sea temperatures during the month were 85.3°F and 81.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 85.1°F and 80.8°F.
current
weather
weather
| Nagasaki |
weather in
February
February
| Nagasaki |
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 03:16
February 05, thursday
0600

50°F
E
2 mph
2 mph
0900

54°F
SE
2 mph
2 mph
1200

55°F
E
5 mph
5 mph
1500

57°F
E
3 mph
3 mph
1800

54°F
NE
3 mph
3 mph
2100

55°F
NE
4 mph
4 mph
February 06, friday
0000

52°F
SE
6 mph
6 mph
0300

52°F
SE
7 mph
7 mph



























