World Resorts

Japan

Nagasaki Weather

Nagasaki 14 Days Forecast

26.08
wed

Day

90°F

N 3 mph

Precip.
4%

Night

82°F

NW 6 mph

Precip.
9%

27.08
thu

Day

82°F

NE 6 mph

Precip.
63%

Night

82°F

N 4 mph

Precip.
8%

28.08
fri

Day

86°F

N 7 mph

Precip.
6%

Night

82°F

S 2 mph

Precip.
27%

29.08
sat

Day

84°F

NE 7 mph

Precip.
16%

Night

81°F

N 6 mph

Precip.
11%

30.08
sun

Day

84°F

E 8 mph

Precip.
19%

Night

81°F

SW 6 mph

Precip.
24%

31.08
mon

Day

86°F

E 9 mph

Precip.
6%

Night

82°F

W 8 mph

Precip.
17%

01.09
tue

Day

77°F

S 9 mph

Precip.
95%

Night

79°F

S 7 mph

Precip.
10%

02.09
wed

Day

84°F

E 9 mph

Precip.
14%

Night

82°F

NW 21 mph

Precip.
43%

03.09
thu

Day

88°F

SW 6 mph

Precip.
13%

Night

81°F

SW 16 mph

Precip.
6%

04.09
fri

Day

86°F

SW 23 mph

Precip.
3%

Night

77°F

S 20 mph

Precip.
6%

05.09
sat

Day

84°F

S 12 mph

Precip.
12%

Night

75°F

SW 9 mph

Precip.
4%

06.09
sun

Day

82°F

E 8 mph

Precip.
2%

Night

77°F

NW 6 mph

Precip.
6%

07.09
mon

Day

81°F

N 6 mph

Precip.
16%

Night

79°F

S 4 mph

Precip.
13%

08.09
tue

Day

82°F

E 5 mph

Precip.
17%

Night

77°F

W 2 mph

Precip.
73%

sea water
temperature

Nagasaki

monthly
weather

Nagasaki

current
weather

Nagasaki

7 days
forecast

Nagasaki

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in August of 2026 was 84.7°F. The highest and lowest sea temperatures during the month were 86.4°F and 83.1°F.

Show year:

2025

2024

2023

The average sea water temperature in September of 2025 was 83.9°F. The highest and lowest sea temperatures during the month were 85.3°F and 81.9°F.