Nagasaki Weather Year-Round — Best Time to Visit
Nagasaki, Japan has mild weather year-round. The best time to visit is October (score: 83/100). Annual average high: 19.7°C, total rainfall: 2056mm.
When is the best time to visit Nagasaki?
83
October is the best month to visit Nagasaki with a travel score of 83/100 (Excellent).
Expect highs of 22.7°C, 7 rain days, and 8.6 hours of daily sunshine.
View October weather details →Travel Score by Month
59
Jan
62
Feb
64
Mar
71
Apr
76
May
66
Jun
69
Jul
74
Aug
76
Sep
83
Oct
73
Nov
63
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Nagasaki each month?
19.7°C
Avg High
15.2°C
Avg Low
2056mm
Annual Rain
How much rain does Nagasaki get?
Nagasaki receives 2056mm of rain annually. The wettest month is typically June with 397mm, while January is the driest.
What is the weather like each month in Nagasaki?
January
59
10°C
Low: 6°C
10 rain days
Mixed
February
62
11°C
Low: 6°C
10 rain days
Good
March
64
14°C
Low: 9°C
11 rain days
Good
April
71
18°C
Low: 12°C
11 rain days
Good
May
76
22°C
Low: 17°C
10 rain days
Good
June
66
25°C
Low: 20°C
16 rain days
Good
July
69
28°C
Low: 24°C
16 rain days
Good
August
74
30°C
Low: 26°C
14 rain days
Good
September
76
27°C
Low: 23°C
12 rain days
Good
October
Best time to visit83
23°C
Low: 18°C
7 rain days
Excellent
November
73
17°C
Low: 13°C
9 rain days
Good
December
63
12°C
Low: 8°C
10 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31