World Resorts Japan Nagasaki Weather

Nagasaki Sea Temperature in July

Average sea water temperature in July:
+79.0°F
Minimum sea water temperature in July: 85.1°F
Maximum sea water temperature in July: 72.1°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 85.1°F and 80.8°F.

Monthly sea water temperature in Nagasaki, °F

Which Japan resorts have warmest sea in July?

Place name July 2025 July 2024
Kyoto 84.9°F 80.3°F
Nara 84.3°F 81.9°F
Okinawa 84.3°F 85.6°F
Osaka 84.0°F 82.4°F
Nagoya 83.8°F 82.7°F
Nagasaki 83.4°F 80.0°F
Kobe 81.9°F 80.3°F
Fukuoka 81.6°F 80.6°F
Tokyo 81.6°F 81.6°F
Hiroshima 81.6°F 80.1°F
Yokohama 80.8°F 81.1°F
Kamakura 80.2°F 79.7°F
Hakone 80.0°F 78.9°F
Atami 80.0°F 78.6°F
Sapporo 73.1°F 68.8°F
Noboribetsu 69.7°F 68.5°F

Best time for vacation in Nagasaki

Sunniest months:
October 18 days
May 14 days
March 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 50.4 °F
February 51.7 °F
December 53.7 °F
Rainiest months:
July 12 days
June 11 days
August 10 days
Windiest months:
February 10.8 mph
January 10.8 mph
December 10.7 mph

Nagasaki on a weather map

Current weather
08:58
Nagasaki
+52°F
N 5 mph
Feels like: +50°F
Precip.: 67%
Places in Japan:
Name
°F
Atami
+48°F
Yokohama
+46°F
Kamakura
+50°F
Kyoto
+41°F
Nagasaki
+52°F
Nagoya
+43°F
Nara
+43°F
Noboribetsu
+37°F
Okinawa
+68°F
Osaka
+43°F
Sapporo
+32°F
Tokyo
+45°F
Fukuoka
+45°F
Hakone
+48°F
Hiroshima
+43°F
all places
24 Hours Forecast
Nagasaki
Local time: 08:58
December 29, monday
0900
52°F
N
5 mph
1200
55°F
N
6 mph
1500
57°F
NE
6 mph
1800
55°F
E
6 mph
2100
55°F
E
6 mph
December 30, tuesday
0000
54°F
E
5 mph
0300
54°F
E
5 mph
0600
54°F
SE
6 mph
Units of measurement: °C / °F