World Resorts Japan Nagasaki Weather

Nagasaki Sea Temperature in January

Average sea water temperature in January:
+60.7°F
Minimum sea water temperature in January: 64.6°F
Maximum sea water temperature in January: 57.7°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 62.0°F. The highest and lowest sea temperatures during the month were 64.6°F and 59.5°F.

Monthly sea water temperature in Nagasaki, °F

Which Japan resorts have warmest sea in January?

Place name January 2026 January 2025
Okinawa 71.5°F 71.6°F
Nagasaki 62.0°F 60.3°F
Hakone 60.5°F 61.0°F
Atami 60.4°F 61.1°F
Kamakura 59.7°F 61.1°F
Fukuoka 57.0°F 56.8°F
Hiroshima 56.4°F 56.1°F
Yokohama 54.6°F 55.9°F
Nagoya 53.2°F 53.7°F
Kobe 52.8°F 52.5°F
Osaka 52.6°F 51.1°F
Nara 52.5°F 51.1°F
Tokyo 51.9°F 52.9°F
Kyoto 51.9°F 50.7°F
Noboribetsu 43.5°F 43.3°F
Sapporo 39.5°F 41.6°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

Nagasaki
+55°F
N 6 mph
Feels like: +54°F
Precip.: 100%
Places in Japan:
Name
°F
+46°F
+52°F
+52°F
+39°F
+46°F
+55°F
+46°F
+39°F
+63°F
+45°F
+27°F
+50°F
+48°F
+48°F
+41°F
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