27.06
sat
sat
Day

77°F
SE 1 mph
Precip.
27%
27%
Night

72°F
S 3 mph
Precip.
24%
24%
28.06
sun
sun
Day

75°F
SE 2 mph
Precip.
12%
12%
Night

70°F
N 3 mph
Precip.
13%
13%
29.06
mon
mon
Day

79°F
S 1 mph
Precip.
5%
5%
Night

75°F
SW 4 mph
Precip.
15%
15%
30.06
tue
tue
Day

75°F
NE 4 mph
Precip.
36%
36%
Night

73°F
N 6 mph
Precip.
87%
87%
01.07
wed
wed
Day

73°F
NE 7 mph
Precip.
54%
54%
Night

73°F
N 6 mph
Precip.
49%
49%
02.07
thu
thu
Day

75°F
SW 6 mph
Precip.
26%
26%
Night

73°F
SW 4 mph
Precip.
17%
17%
03.07
fri
fri
Day

79°F
N 6 mph
Precip.
25%
25%
Night

73°F
NE 2 mph
Precip.
30%
30%
sea water
temperature
temperature
| Nagasaki |
monthly
weather
weather
| Nagasaki |
current
weather
weather
| Nagasaki |
14 days
forecast
forecast
| Nagasaki |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 74.5°F. The highest and lowest sea temperatures during the month were 76.5°F and 71.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 85.1°F and 80.8°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: 02:05
June 27, saturday
0300

70°F
SW
9 mph
9 mph
0600

70°F
SW
7 mph
7 mph
0900

70°F
S
6 mph
6 mph
1200

77°F
SE
1 mph
1 mph
1500

75°F
SW
5 mph
5 mph
1800

73°F
S
5 mph
5 mph
2100

72°F
SW
5 mph
5 mph
June 28, sunday
0000

72°F
S
3 mph
3 mph


























