19.12
fri
fri
Day
59°F
NW 7 mph
Precip.
0%
0%
Night
61°F
NW 11 mph
Precip.
0%
0%
20.12
sat
sat
Day
64°F
NW 9 mph
Precip.
0%
0%
Night
63°F
N 12 mph
Precip.
100%
100%
21.12
sun
sun
Day
61°F
S 8 mph
Precip.
86%
86%
Night
54°F
SW 9 mph
Precip.
0%
0%
22.12
mon
mon
Day
55°F
SW 18 mph
Precip.
0%
0%
Night
50°F
SW 17 mph
Precip.
0%
0%
23.12
tue
tue
Day
54°F
SW 3 mph
Precip.
0%
0%
Night
57°F
NW 11 mph
Precip.
0%
0%
24.12
wed
wed
Day
55°F
SE 16 mph
Precip.
77%
77%
Night
46°F
S 12 mph
Precip.
0%
0%
25.12
thu
thu
Day
50°F
S 9 mph
Precip.
0%
0%
Night
45°F
S 7 mph
Precip.
0%
0%
26.12
fri
fri
Day
52°F
SW 4 mph
Precip.
0%
0%
Night
48°F
S 5 mph
Precip.
0%
0%
27.12
sat
sat
Day
54°F
S 4 mph
Precip.
0%
0%
Night
48°F
S 6 mph
Precip.
0%
0%
28.12
sun
sun
Day
54°F
S 6 mph
Precip.
0%
0%
Night
48°F
SW 11 mph
Precip.
0%
0%
29.12
mon
mon
Day
54°F
W 3 mph
Precip.
0%
0%
Night
52°F
SE 2 mph
Precip.
0%
0%
30.12
tue
tue
Day
55°F
SE 11 mph
Precip.
100%
100%
Night
52°F
SE 11 mph
Precip.
72%
72%
31.12
wed
wed
Day
54°F
S 9 mph
Precip.
100%
100%
Night
48°F
S 12 mph
Precip.
72%
72%
01.01
thu
thu
Day
52°F
SW 18 mph
Precip.
0%
0%
Night
46°F
SW 12 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 December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 67.6°F. The highest and lowest sea temperatures during the month were 69.6°F and 66.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 60.3°F. The highest and lowest sea temperatures during the month were 62.1°F and 59.0°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: 10:58
December 19, friday
1200
59°F
NW
7 mph
7 mph
1500
61°F
NW
6 mph
6 mph
1800
59°F
NW
9 mph
9 mph
2100
61°F
NW
13 mph
13 mph
December 20, saturday
0000
61°F
NW
11 mph
11 mph
0300
61°F
NW
9 mph
9 mph
0600
59°F
NW
7 mph
7 mph
0900
61°F
NW
7 mph
7 mph
