Current sea water temperature:
+72.3°F
| Minimum sea water temperature in June: | 80.6°F |
| Maximum sea water temperature in June: | 67.1°F |
| Average sea water temperature in June: | 72.5°F |
| more information | |
14 days
forecast
forecast
| Nagasaki |
monthly
weather
weather
| Nagasaki |
Sea water temperature for the last 10 days:
| June 6 | 72.3°F | May 31 | 72.0°F |
| June 5 | 72.1°F | May 30 | 73.0°F |
| June 4 | 71.2°F | May 29 | 73.2°F |
| June 3 | 72.1°F | May 28 | 73.6°F |
| June 1 | 74.3°F | May 27 | 73.6°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
June
June
| Nagasaki |
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 19:56
June 06, saturday
2100
72°F
SW
2 mph
2 mph
June 07, sunday
0000
72°F
W
6 mph
6 mph
0300
68°F
W
6 mph
6 mph
0600
70°F
SW
12 mph
12 mph
0900
70°F
SW
15 mph
15 mph
1200
72°F
SW
14 mph
14 mph
1500
72°F
SW
6 mph
6 mph
1800
73°F
S
2 mph
2 mph
