Average sea water temperature in April:
+62.3°F
| Minimum sea water temperature in April: | 65.5°F |
| Maximum sea water temperature in April: | 57.7°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 64.0°F. The highest and lowest sea temperatures during the month were 64.9°F and 62.1°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 April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Okinawa | 74.4°F | 71.5°F |
| Nagasaki | 64.0°F | 61.4°F |
| Atami | 62.0°F | 60.9°F |
| Tokyo | 61.9°F | 59.1°F |
| Hakone | 61.9°F | 61.1°F |
| Kamakura | 61.6°F | 61.1°F |
| Yokohama | 61.3°F | 59.6°F |
| Fukuoka | 60.1°F | 58.6°F |
| Nagoya | 60.0°F | 58.4°F |
| Kyoto | 59.2°F | 57.4°F |
| Osaka | 59.1°F | 57.6°F |
| Nara | 59.1°F | 57.4°F |
| Kobe | 58.7°F | 56.5°F |
| Hiroshima | 58.4°F | 57.2°F |
| Sapporo | 46.0°F | 44.9°F |
| Noboribetsu | 40.7°F | 42.1°F |
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 16:36
April 27, monday
1800
64°F
E
5 mph
5 mph
2100
61°F
NE
1 mph
1 mph
April 28, tuesday
0000
61°F
E
2 mph
2 mph
0300
59°F
E
3 mph
3 mph
0600
59°F
NE
3 mph
3 mph
0900
64°F
NE
7 mph
7 mph
1200
66°F
NE
9 mph
9 mph
1500
66°F
NE
9 mph
9 mph
