Current sea water temperature:
+54.3°F
| Minimum sea water temperature in January: | 61.0°F |
| Maximum sea water temperature in January: | 50.0°F |
| Average sea water temperature in January: | 55.7°F |
| more information | |
14 days
forecast
forecast
| Nagoya |
monthly
weather
weather
| Nagoya |
Sea water temperature for the last 10 days:
| January 13 | 54.3°F | January 8 | 56.1°F |
| January 12 | 54.3°F | January 7 | 56.3°F |
| January 11 | 54.5°F | January 6 | 56.3°F |
| January 10 | 55.6°F | January 5 | 56.1°F |
| January 9 | 55.8°F | January 4 | 56.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Nagoya?
Based on the data about daily sea water temperature for the last three years the warmest sea in Nagoya was noticed in August, July and September.
Monthly Sea Temperatures in Nagoya, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 89.2°F and 82.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 87.4°F and 80.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 88.0°F and 75.4°F.
current
weather
weather
| Nagoya |
weather in
January
January
| Nagoya |
Best time for vacation in Nagoya
Nagoya on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Nagoya
Local time: 12:59
January 14, wednesday
1500

46°F
SE
14 mph
14 mph
1800

43°F
SE
7 mph
7 mph
2100

39°F
SE
6 mph
6 mph
January 15, thursday
0000

37°F
S
5 mph
5 mph
0300

36°F
S
4 mph
4 mph
0600

36°F
S
4 mph
4 mph
0900

39°F
S
5 mph
5 mph
1200

45°F
S
2 mph
2 mph




























