Measurements:
°C
°F
CURRENT WEATHER
16:32
Nagasaki
38°F
SE 19 mph
Feels like: 28°F
Precip: 100%
World Resorts Japan Nagasaki Weather

7 Day Weather Forecast

01.11
sun
DAY
40°F
SE 25 mph
precip
100%
NIGHT
38°F
S 14 mph
precip
0%
01.12
mon
DAY
46°F
NE 6 mph
precip
0%
NIGHT
54°F
NE 17 mph
precip
83%
01.13
tue
DAY
58°F
E 15 mph
precip
66%
NIGHT
46°F
SE 13 mph
precip
0%
01.14
wed
DAY
50°F
SW 3 mph
precip
0%
NIGHT
48°F
NW 6 mph
precip
0%
01.15
thu
DAY
60°F
NE 13 mph
precip
100%
NIGHT
56°F
S 7 mph
precip
79%
01.16
fri
DAY
60°F
SW 2 mph
precip
0%
NIGHT
52°F
SE 2 mph
precip
0%
01.17
sat
DAY
60°F
S 7 mph
precip
0%
NIGHT
48°F
SW 11 mph
precip
0%

Nagasaki Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Nagasaki was 15.7°F. The maximum and minimum values were 15.0°F and 16.7°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:
February 11 mph
January 11 mph
December 11 mph
more details