17.05
sun
sun
Day
75°F
E 3 mph
Precip.
0%
0%
Night
66°F
W 2 mph
Precip.
0%
0%
18.05
mon
mon
Day
73°F
NE 6 mph
Precip.
0%
0%
Night
66°F
E 2 mph
Precip.
0%
0%
19.05
tue
tue
Day
73°F
E 3 mph
Precip.
0%
0%
Night
68°F
W 2 mph
Precip.
82%
82%
20.05
wed
wed
Day
72°F
SE 3 mph
Precip.
0%
0%
Night
66°F
SW 6 mph
Precip.
100%
100%
21.05
thu
thu
Day
66°F
SW 8 mph
Precip.
67%
67%
Night
63°F
SW 9 mph
Precip.
0%
0%
22.05
fri
fri
Day
75°F
SW 3 mph
Precip.
0%
0%
Night
68°F
NW 4 mph
Precip.
0%
0%
23.05
sat
sat
Day
75°F
NW 10 mph
Precip.
0%
0%
Night
70°F
N 11 mph
Precip.
100%
100%
24.05
sun
sun
Day
75°F
S 11 mph
Precip.
0%
0%
Night
66°F
S 6 mph
Precip.
0%
0%
25.05
mon
mon
Day
73°F
E 2 mph
Precip.
0%
0%
Night
68°F
SW 1 mph
Precip.
0%
0%
26.05
tue
tue
Day
75°F
E 2 mph
Precip.
0%
0%
Night
70°F
W 2 mph
Precip.
0%
0%
27.05
wed
wed
Day
75°F
N 1 mph
Precip.
0%
0%
Night
68°F
S 4 mph
Precip.
100%
100%
28.05
thu
thu
Day
75°F
S 11 mph
Precip.
67%
67%
Night
63°F
S 12 mph
Precip.
0%
0%
29.05
fri
fri
Day
72°F
S 12 mph
Precip.
76%
76%
Night
63°F
S 6 mph
Precip.
0%
0%
30.05
sat
sat
Day
75°F
S 6 mph
Precip.
0%
0%
Night
66°F
SW 7 mph
Precip.
0%
0%
sea water
temperature
temperature
| Nagasaki |
monthly
weather
weather
| Nagasaki |
current
weather
weather
| Nagasaki |
7 days
forecast
forecast
| Nagasaki |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 66.6°F. The highest and lowest sea temperatures during the month were 70.0°F and 64.4°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: 17:58
May 17, sunday
1800
72°F
SE
7 mph
7 mph
2100
66°F
S
2 mph
2 mph
May 18, monday
0000
66°F
W
2 mph
2 mph
0300
64°F
E
0 mph
0 mph
0600
64°F
W
4 mph
4 mph
0900
72°F
NW
3 mph
3 mph
1200
73°F
NE
6 mph
6 mph
1500
75°F
E
6 mph
6 mph
