Current sea water temperature:
+85.5°F
| Minimum sea water temperature in August: | 87.8°F |
| Maximum sea water temperature in August: | 78.4°F |
| Average sea water temperature in August: | 82.7°F |
| more information | |
14 days
forecast
forecast
| Nagasaki |
monthly
weather
weather
| Nagasaki |
Sea water temperature for the last 10 days:
| August 5 | 85.5°F | July 31 | 85.1°F |
| August 4 | 85.8°F | July 30 | 85.6°F |
| August 3 | 84.9°F | July 29 | 86.2°F |
| August 2 | 85.1°F | July 28 | 85.8°F |
| August 1 | 84.6°F | July 27 | 85.6°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:
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
August
August
| Nagasaki |
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 11:53
August 06, thursday
1200
91°F
SW
11 mph
11 mph
1500
93°F
W
12 mph
12 mph
1800
90°F
W
17 mph
17 mph
2100
86°F
SW
18 mph
18 mph
August 07, friday
0000
82°F
SW
15 mph
15 mph
0300
82°F
SW
16 mph
16 mph
0600
82°F
SW
17 mph
17 mph
0900
86°F
SW
17 mph
17 mph
