Measurements:
°C
°F
CURRENT WEATHER
11:46
Nagasaki
58°F
N 8 mph
Feels like: 56°F
Precip: 0%
World Resorts Japan Nagasaki Weather

7 Day Weather Forecast

02.21
sat
DAY
58°F
N 8 mph
precip
0%
NIGHT
56°F
N 12 mph
precip
0%
02.22
sun
DAY
66°F
NE 12 mph
precip
86%
NIGHT
54°F
SE 14 mph
precip
0%
02.23
mon
DAY
58°F
SW 6 mph
precip
0%
NIGHT
52°F
W 4 mph
precip
0%
02.24
tue
DAY
56°F
NW 9 mph
precip
100%
NIGHT
62°F
N 15 mph
precip
100%
02.25
wed
DAY
58°F
SW 9 mph
precip
0%
NIGHT
52°F
SW 9 mph
precip
0%
02.26
thu
DAY
60°F
SW 8 mph
precip
0%
NIGHT
58°F
SW 5 mph
precip
0%
02.27
fri
DAY
58°F
NW 4 mph
precip
100%
NIGHT
52°F
S 17 mph
precip
0%

Nagasaki Sea Water Temperature in February, °F

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Nagasaki was 15.6°F. The maximum and minimum values were 14.7°F and 15.9°F respectively.

Nagasaki on the Weather Map

Best Time to Visit Nagasaki
The most sunny months:
October 18 days
May 14 days
March 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 51.9 °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