Measurements:
°C
°F
CURRENT WEATHER
11:19
Nagasaki
80°F
S 5 mph
Feels like: 82°F
Precip: 2%
World Resorts Japan Nagasaki Weather

7 Day Weather Forecast

06.10
wed
DAY
80°F
S 5 mph
precip
2%
NIGHT
70°F
S 6 mph
precip
7%
06.11
thu
DAY
78°F
E 7 mph
precip
3%
NIGHT
68°F
SE 5 mph
precip
10%
06.12
fri
DAY
78°F
SE 8 mph
precip
9%
NIGHT
68°F
S 4 mph
precip
8%
06.13
sat
DAY
78°F
NE 2 mph
precip
7%
NIGHT
72°F
NE 1 mph
precip
10%
06.14
sun
DAY
76°F
NW 6 mph
precip
4%
NIGHT
72°F
W 6 mph
precip
11%
06.15
mon
DAY
76°F
SW 2 mph
precip
14%
NIGHT
72°F
W 5 mph
precip
16%
06.16
tue
DAY
80°F
NW 7 mph
precip
16%
NIGHT
74°F
NW 6 mph
precip
20%

Nagasaki Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Nagasaki was 22.8°F. The maximum and minimum values were 20.1°F and 27.0°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
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