20.12
sat
sat
Day
64°F
NW 11 mph
Precip.
0%
0%
Night
61°F
N 12 mph
Precip.
100%
100%
21.12
sun
sun
Day
61°F
S 16 mph
Precip.
61%
61%
Night
46°F
S 11 mph
Precip.
0%
0%
22.12
mon
mon
Day
54°F
SW 12 mph
Precip.
0%
0%
Night
48°F
SW 6 mph
Precip.
0%
0%
23.12
tue
tue
Day
57°F
W 3 mph
Precip.
0%
0%
Night
55°F
W 7 mph
Precip.
0%
0%
24.12
wed
wed
Day
61°F
SE 12 mph
Precip.
60%
60%
Night
54°F
S 9 mph
Precip.
85%
85%
25.12
thu
thu
Day
55°F
SW 13 mph
Precip.
0%
0%
Night
48°F
SW 12 mph
Precip.
0%
0%
26.12
fri
fri
Day
50°F
SW 2 mph
Precip.
0%
0%
Night
50°F
SW 6 mph
Precip.
100%
100%
sea water
temperature
temperature
| Nagasaki |
monthly
weather
weather
| Nagasaki |
current
weather
weather
| Nagasaki |
14 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 67.5°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: 05:17
December 20, saturday
0600
61°F
NW
7 mph
7 mph
0900
61°F
NW
7 mph
7 mph
1200
64°F
NW
11 mph
11 mph
1500
66°F
NW
10 mph
10 mph
1800
63°F
NW
12 mph
12 mph
2100
63°F
NW
11 mph
11 mph
December 21, sunday
0000
61°F
N
12 mph
12 mph
0300
63°F
NE
12 mph
12 mph
