27.04
mon
mon
Day
66°F
E 7 mph
Precip.
0%
0%
Night
59°F
NE 2 mph
Precip.
0%
0%
28.04
tue
tue
Day
66°F
NE 9 mph
Precip.
0%
0%
Night
59°F
SE 9 mph
Precip.
0%
0%
29.04
wed
wed
Day
61°F
S 4 mph
Precip.
81%
81%
Night
55°F
SW 2 mph
Precip.
83%
83%
30.04
thu
thu
Day
54°F
SW 6 mph
Precip.
100%
100%
Night
54°F
S 6 mph
Precip.
0%
0%
01.05
fri
fri
Day
66°F
SE 9 mph
Precip.
0%
0%
Night
57°F
S 3 mph
Precip.
0%
0%
02.05
sat
sat
Day
68°F
NE 4 mph
Precip.
0%
0%
Night
61°F
E 2 mph
Precip.
0%
0%
03.05
sun
sun
Day
63°F
NE 1 mph
Precip.
100%
100%
Night
57°F
SW 7 mph
Precip.
62%
62%
sea water
temperature
temperature
| Nagasaki |
monthly
weather
weather
| Nagasaki |
current
weather
weather
| Nagasaki |
14 days
forecast
forecast
| Nagasaki |
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.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 68.9°F and 63.3°F.
Air temperature in Nagasaki, °F
Precipitation total in Nagasaki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Nagasaki
Nagasaki on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagasaki
Local time: 15:04
April 27, monday
1800
64°F
E
5 mph
5 mph
2100
61°F
NE
1 mph
1 mph
April 28, tuesday
0000
59°F
NE
2 mph
2 mph
0300
59°F
E
3 mph
3 mph
0600
59°F
NE
4 mph
4 mph
0900
64°F
NE
6 mph
6 mph
1200
66°F
NE
9 mph
9 mph
1500
66°F
NE
9 mph
9 mph
