Average sea water temperature in July:
+78.9°F
| Minimum sea water temperature in July: | 85.1°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 78.2°F. The highest and lowest sea temperatures during the month were 81.1°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 | 82.1°F | 84.3°F |
| Fukuoka | 78.4°F | 81.6°F |
| Nagasaki | 78.2°F | 83.4°F |
| Nagoya | 78.0°F | 83.8°F |
| Osaka | 77.3°F | 84.0°F |
| Nara | 77.1°F | 84.3°F |
| Kobe | 77.1°F | 81.9°F |
| Hiroshima | 76.0°F | 81.6°F |
| Kyoto | 75.9°F | 84.9°F |
| Tokyo | 75.7°F | 81.6°F |
| Hakone | 75.5°F | 80.0°F |
| Kamakura | 75.4°F | 80.2°F |
| Atami | 75.4°F | 80.0°F |
| Yokohama | 75.2°F | 80.8°F |
| Sapporo | 66.0°F | 73.1°F |
| Noboribetsu | 62.5°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: 12:07
July 17, friday
1500
84°F
NE
9 mph
9 mph
1800
82°F
NE
7 mph
7 mph
2100
81°F
NE
4 mph
4 mph
July 18, saturday
0000
79°F
N
6 mph
6 mph
0300
79°F
N
6 mph
6 mph
0600
79°F
N
6 mph
6 mph
0900
81°F
N
9 mph
9 mph
1200
84°F
N
11 mph
11 mph
