Measurements:
°C
°F
CURRENT WEATHER
00:28
Nagasaki
58°F
E 8 mph
Feels like: 58°F
Precip: 100%
World Resorts Japan Nagasaki Weather

7 Day Weather Forecast

04.05
sun
DAY
62°F
NE 8 mph
precip
0%
NIGHT
58°F
N 5 mph
precip
0%
04.06
mon
DAY
58°F
W 6 mph
precip
100%
NIGHT
58°F
S 6 mph
precip
0%
04.07
tue
DAY
64°F
S 7 mph
precip
0%
NIGHT
50°F
S 6 mph
precip
0%
04.08
wed
DAY
60°F
NE 2 mph
precip
0%
NIGHT
56°F
W 3 mph
precip
0%
04.09
thu
DAY
64°F
NW 6 mph
precip
0%
NIGHT
62°F
NW 10 mph
precip
100%
04.10
fri
DAY
66°F
NE 9 mph
precip
100%
NIGHT
60°F
S 9 mph
precip
0%
04.11
sat
DAY
66°F
SE 5 mph
precip
0%
NIGHT
58°F
SE 7 mph
precip
0%

Nagasaki Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Nagasaki was 16.4°F. The maximum and minimum values were 14.3°F and 18.1°F respectively.

Nagasaki on the Weather Map

Best Time to Visit Nagasaki
The most sunny months:
October 18 days
May 14 days
August 13 days
The most warm months:
August 91.8 °F
July 88.3 °F
September 86.6 °F
Warmest sea temperature:
August 86.4 °F
September 83.7 °F
July 82.2 °F
The most cold months:
January 50.4 °F
February 52.0 °F
December 54.1 °F
The most rainy months:
July 12 days
June 11 days
August 10 days
The most windy months:
January 11 mph
February 11 mph
December 11 mph
more details