Average sea water temperature in January:
+60.7°F
| Minimum sea water temperature in January: | 64.6°F |
| Maximum sea water temperature in January: | 57.7°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 62.0°F. The highest and lowest sea temperatures during the month were 64.6°F and 59.5°F.
sea water
temperature
temperature
| Nagasaki |
monthly
weather
weather
| Nagasaki |
current
weather
weather
| Nagasaki |
14 days
forecast
forecast
| Nagasaki |
Monthly sea water temperature in Nagasaki, °F
Which Japan resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Okinawa | 71.5°F | 71.6°F |
| Nagasaki | 62.0°F | 60.3°F |
| Hakone | 60.5°F | 61.0°F |
| Atami | 60.4°F | 61.1°F |
| Kamakura | 59.7°F | 61.1°F |
| Fukuoka | 57.0°F | 56.8°F |
| Hiroshima | 56.4°F | 56.1°F |
| Yokohama | 54.6°F | 55.9°F |
| Nagoya | 53.2°F | 53.7°F |
| Kobe | 52.8°F | 52.5°F |
| Osaka | 52.6°F | 51.1°F |
| Nara | 52.5°F | 51.1°F |
| Tokyo | 51.9°F | 52.9°F |
| Kyoto | 51.9°F | 50.7°F |
| Noboribetsu | 43.5°F | 43.3°F |
| Sapporo | 39.5°F | 41.6°F |
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 06:34
March 18, wednesday
0900

55°F
NW
11 mph
11 mph
1200

59°F
N
11 mph
11 mph
1500

63°F
NE
22 mph
22 mph
1800

61°F
E
19 mph
19 mph
2100

55°F
SE
14 mph
14 mph
March 19, thursday
0000

54°F
SE
12 mph
12 mph
0300

54°F
SE
11 mph
11 mph
0600

52°F
SE
9 mph
9 mph




























