World Resorts Japan Nagoya Weather

Nagoya sea water temperature

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

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

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.

Best time for vacation in Nagoya

Sunniest months:
January 16 days
May 16 days
November 16 days
Warmest months:
August 91.5 °F
July 88.2 °F
September 83.9 °F
Warmest sea temp:
August 83.4 °F
July 80.0 °F
September 79.6 °F
Coldest months:
January 46.1 °F
February 48.4 °F
December 50.3 °F
Rainiest months:
July 10 days
August 9 days
September 9 days
Windiest months:
February 7.5 mph
January 7.2 mph
March 7.2 mph

Nagoya on a weather map

Nagoya
+45°F
SE 13 mph
Feels like: +37°F
Precip.: 100%
Places in Japan:
Name
°F
+48°F
+48°F
+43°F
+43°F
+52°F
+45°F
+43°F
+19°F
+64°F
+45°F
+18°F
+48°F
+50°F
+48°F
+46°F
24 Hours Forecast
Nagoya
Local time: 12:59
January 14, wednesday
1500
46°F
SE
14 mph
1800
43°F
SE
7 mph
2100
39°F
SE
6 mph
January 15, thursday
0000
37°F
S
5 mph
0300
36°F
S
4 mph
0600
36°F
S
4 mph
0900
39°F
S
5 mph
1200
45°F
S
2 mph
Units of measurement: °C / °F