Current sea water temperature:
+79.0°F
| Minimum sea water temperature in October: | 82.8°F |
| Maximum sea water temperature in October: | 70.5°F |
| Average sea water temperature in October: | 75.9°F |
| more information | |
14 days
forecast
forecast
| Nagasaki |
monthly
weather
weather
| Nagasaki |
Sea water temperature for the last 10 days:
| October 5 | 79.0°F | September 30 | 79.5°F |
| October 4 | 79.2°F | September 29 | 79.9°F |
| October 3 | 79.5°F | September 28 | 80.2°F |
| October 2 | 79.9°F | September 27 | 79.9°F |
| October 1 | 79.9°F | September 26 | 80.4°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 84.8°F. The highest and lowest sea temperatures during the month were 86.5°F and 83.1°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 81.9°F. The highest and lowest sea temperatures during the month were 86.2°F and 79.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 81.2°F. The highest and lowest sea temperatures during the month were 86.4°F and 75.2°F.
current
weather
weather
| Nagasaki |
weather in
October
October
| Nagasaki |
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 21:26
October 06, tuesday
0000
68°F
S
14 mph
14 mph
0300
68°F
SE
16 mph
16 mph
0600
66°F
S
14 mph
14 mph
0900
68°F
S
14 mph
14 mph
1200
70°F
S
19 mph
19 mph
1500
70°F
S
19 mph
19 mph
1800
66°F
S
14 mph
14 mph
2100
66°F
S
12 mph
12 mph
