Average sea water temperature in August:
+82.7°F
| Minimum sea water temperature in August: | 87.8°F |
| Maximum sea water temperature in August: | 78.4°F |
Daily 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.
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| Nagasaki |
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| Nagasaki |
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| Nagasaki |
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| Nagasaki |
Monthly sea water temperature in Nagasaki, °F
Which Japan resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Nagoya | 86.4°F | 86.2°F |
| Kyoto | 86.3°F | 86.2°F |
| Nara | 85.7°F | 85.2°F |
| Osaka | 85.5°F | 84.8°F |
| Okinawa | 85.4°F | 86.5°F |
| Fukuoka | 85.2°F | 85.9°F |
| Nagasaki | 84.8°F | 85.5°F |
| Kobe | 84.8°F | 83.6°F |
| Tokyo | 83.7°F | 84.3°F |
| Hiroshima | 83.2°F | 84.6°F |
| Yokohama | 82.8°F | 83.8°F |
| Kamakura | 81.5°F | 82.8°F |
| Hakone | 80.9°F | 82.8°F |
| Atami | 80.7°F | 82.8°F |
| Sapporo | 77.2°F | 74.6°F |
| Noboribetsu | 74.8°F | 74.5°F |
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 09:22
April 07, tuesday
1200
61°F
S
14 mph
14 mph
1500
59°F
S
16 mph
16 mph
1800
52°F
S
15 mph
15 mph
2100
48°F
S
11 mph
11 mph
April 08, wednesday
0000
48°F
S
7 mph
7 mph
0300
46°F
S
7 mph
7 mph
0600
46°F
SW
6 mph
6 mph
0900
54°F
SW
5 mph
5 mph
