World Resorts Japan Nagasaki Weather

Nagasaki Sea Temperature in May

Average sea water temperature in May:
+66.8°F
Minimum sea water temperature in May: 71.4°F
Maximum sea water temperature in May: 62.4°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 68.9°F and 63.3°F.

Monthly sea water temperature in Nagasaki, °F

Which Japan resorts have warmest sea in May?

Place name May 2025 May 2024
Okinawa 76.2°F 76.7°F
Tokyo 66.8°F 67.9°F
Yokohama 66.1°F 67.2°F
Nagasaki 66.0°F 67.0°F
Nagoya 65.9°F 66.7°F
Kamakura 65.7°F 66.9°F
Hakone 65.5°F 66.9°F
Atami 65.3°F 67.0°F
Osaka 65.1°F 64.6°F
Nara 64.9°F 64.8°F
Kyoto 64.8°F 65.2°F
Fukuoka 64.7°F 66.8°F
Kobe 64.1°F 63.6°F
Hiroshima 62.9°F 63.2°F
Sapporo 52.4°F 52.7°F
Noboribetsu 48.5°F 49.3°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 53.6 °F
Rainiest months:
July 12 days
June 11 days
August 10 days
Windiest months:
February 10.8 mph
December 10.8 mph
January 10.8 mph

Nagasaki on a weather map

Current weather
22:58
Nagasaki
+54°F
W 2 mph
Feels like: +54°F
Precip.: 76%
Places in Japan:
Name
°F
Atami
+45°F
Yokohama
+50°F
Kamakura
+52°F
Kyoto
+41°F
Kobe
+48°F
Nagasaki
+54°F
Nagoya
+46°F
Nara
+41°F
Okinawa
+64°F
Osaka
+46°F
Sapporo
+21°F
Tokyo
+46°F
Fukuoka
+50°F
Hakone
+43°F
Hiroshima
+45°F
all places
24 Hours Forecast
Nagasaki
Local time: 22:58
December 17, wednesday
0000
54°F
W
2 mph
0300
55°F
NW
4 mph
0600
55°F
N
5 mph
0900
59°F
N
6 mph
1200
61°F
NE
17 mph
1500
61°F
SE
17 mph
1800
57°F
SE
14 mph
2100
55°F
SE
9 mph
Units of measurement: °C / °F