World Resorts Japan Nagasaki Weather

Nagasaki 14 Days Forecast

27.04
mon
Day
66°F
E 7 mph
Precip.
0%
Night
59°F
NE 2 mph
Precip.
0%
28.04
tue
Day
66°F
NE 9 mph
Precip.
0%
Night
59°F
SE 9 mph
Precip.
0%
29.04
wed
Day
61°F
S 4 mph
Precip.
81%
Night
55°F
SW 2 mph
Precip.
83%
30.04
thu
Day
54°F
SW 6 mph
Precip.
100%
Night
54°F
S 6 mph
Precip.
0%
01.05
fri
Day
66°F
SE 9 mph
Precip.
0%
Night
57°F
S 3 mph
Precip.
0%
02.05
sat
Day
68°F
NE 4 mph
Precip.
0%
Night
61°F
E 2 mph
Precip.
0%
03.05
sun
Day
63°F
NE 1 mph
Precip.
100%
Night
57°F
SW 7 mph
Precip.
62%
04.05
mon
Day
68°F
S 7 mph
Precip.
0%
Night
59°F
SW 10 mph
Precip.
0%
05.05
tue
Day
72°F
SW 11 mph
Precip.
0%
Night
61°F
SW 6 mph
Precip.
0%
06.05
wed
Day
68°F
W 2 mph
Precip.
0%
Night
63°F
SW 5 mph
Precip.
0%
07.05
thu
Day
72°F
E 4 mph
Precip.
0%
Night
64°F
SW 4 mph
Precip.
0%
08.05
fri
Day
72°F
W 2 mph
Precip.
0%
Night
64°F
N 4 mph
Precip.
0%
09.05
sat
Day
72°F
NE 4 mph
Precip.
81%
Night
66°F
NW 2 mph
Precip.
0%
10.05
sun
Day
72°F
NE 2 mph
Precip.
0%
Night
66°F
S 2 mph
Precip.
0%

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 64.0°F. The highest and lowest sea temperatures during the month were 64.9°F and 62.1°F.

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 68.9°F and 63.3°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

Sunniest months:
October 18 days
May 14 days
August 13 days
Warmest months:
August 87.6 °F
July 84.4 °F
September 82.9 °F
Warmest sea temp:
August 82.8 °F
September 80.3 °F
July 79.0 °F
Coldest months:
January 50.3 °F
February 51.8 °F
December 53.7 °F
Rainiest months:
July 12 days
June 11 days
August 10 days
Windiest months:
January 10.8 mph
February 10.7 mph
December 10.7 mph

Nagasaki on a weather map

Current weather
15:05
Nagasaki
+66°F
E 9 mph
Feels like: +66°F
Precip.: 0%
Places in Japan:
Name
°F
Atami
+61°F
Yokohama
+63°F
Kamakura
+63°F
Kyoto
+66°F
Kobe
+68°F
Nagasaki
+66°F
Nagoya
+70°F
Nara
+68°F
Okinawa
+72°F
Osaka
+72°F
Sapporo
+57°F
Tokyo
+63°F
Fukuoka
+68°F
Hakone
+61°F
Hiroshima
+68°F
all places
24 Hours Forecast
Nagasaki
Local time: 15:05
April 27, monday
1800
64°F
E
5 mph
2100
61°F
NE
1 mph
April 28, tuesday
0000
59°F
NE
2 mph
0300
59°F
E
3 mph
0600
59°F
NE
4 mph
0900
64°F
NE
6 mph
1200
66°F
NE
9 mph
1500
66°F
NE
9 mph
Units of measurement: °C / °F