Average sea water temperature in July:
+79.1°F
| Minimum sea water temperature in July: | 86.4°F |
| Maximum sea water temperature in July: | 72.1°F |
Daily 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.
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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 July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Okinawa | 83.3°F | 84.3°F |
| Fukuoka | 81.8°F | 81.6°F |
| Nagoya | 81.6°F | 83.8°F |
| Nagasaki | 81.2°F | 83.4°F |
| Nara | 81.2°F | 84.3°F |
| Osaka | 81.1°F | 84.0°F |
| Kyoto | 80.4°F | 84.9°F |
| Kobe | 80.3°F | 81.9°F |
| Hiroshima | 79.5°F | 81.6°F |
| Tokyo | 78.8°F | 81.6°F |
| Yokohama | 78.2°F | 80.8°F |
| Kamakura | 78.1°F | 80.2°F |
| Hakone | 78.1°F | 80.0°F |
| Atami | 78.0°F | 80.0°F |
| Sapporo | 68.1°F | 73.1°F |
| Noboribetsu | 65.1°F | 69.7°F |
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 15:18
October 31, saturday
1800
66°F
SE
8 mph
8 mph
2100
64°F
S
6 mph
6 mph
November 01, sunday
0000
63°F
SW
4 mph
4 mph
0300
63°F
W
2 mph
2 mph
0600
63°F
W
2 mph
2 mph
0900
66°F
W
4 mph
4 mph
1200
68°F
N
6 mph
6 mph
1500
70°F
N
8 mph
8 mph
