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 50.3 °F
February 51.8 °F
December 53.7 °F
Rainiest months:
July 12 days
June 11 days
August 10 days
Windiest months:
January 10.8 mph
February 10.7 mph
December 10.7 mph

Nagasaki on a weather map

Current weather
06:34
Nagasaki
+55°F
N 6 mph
Feels like: +54°F
Precip.: 100%
Places in Japan:
Name
°F
Atami
+46°F
Yokohama
+52°F
Kamakura
+52°F
Kyoto
+39°F
Kobe
+46°F
Nagasaki
+55°F
Nagoya
+46°F
Nara
+39°F
Okinawa
+63°F
Osaka
+45°F
Sapporo
+27°F
Tokyo
+50°F
Fukuoka
+48°F
Hakone
+48°F
Hiroshima
+41°F
all places
24 Hours Forecast
Nagasaki
Local time: 06:34
March 18, wednesday
0900
55°F
NW
11 mph
1200
59°F
N
11 mph
1500
63°F
NE
22 mph
1800
61°F
E
19 mph
2100
55°F
SE
14 mph
March 19, thursday
0000
54°F
SE
12 mph
0300
54°F
SE
11 mph
0600
52°F
SE
9 mph
Units of measurement: °C / °F