Measurements:
°C
°F
Nagoya
54°F
SE 9 mph
Feels like: 50°F
Precip: 0%
World Resorts Japan Nagoya Weather

Nagoya Sea Water Temperature

Current Sea Water Temperature:
+49.6°F
Maximum Sea Water Temperature in March: 62.0°F
Minimum Sea Water Temperature in March: 48.2°F
Average water temperature in March: 56.2°F

Sea Water Temperature for the Last 10 Days:

March 12 49.6°F March 07 50.2°F
March 11 49.0°F March 06 50.0°F
March 10 48.6°F March 05 50.0°F
March 09 48.6°F March 04 53.8°F
March 08 48.2°F March 03 54.0°F

When is the Warmest Sea for Nagoya?

According to our data for the last three years for Nagoya the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Nagoya was 90.4°F. The maximum and minimum values were 86.2°F and 93.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Nagoya was 87.6°F. The maximum and minimum values were 84.2°F and 91.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Nagoya was 85.7°F. The maximum and minimum values were 78.2°F and 92.2°F respectively.

Best Time to Visit Nagoya
The most sunny months:
January 16 days
May 16 days
November 16 days
The most warm months:
August 96.2 °F
July 92.5 °F
September 87.7 °F
Warmest sea temperature:
August 87.2 °F
July 83.4 °F
September 82.9 °F
The most cold months:
January 45.6 °F
February 48.4 °F
December 50.3 °F
The most rainy months:
July 10 days
August 9 days
September 9 days
The most windy months:
February 7 mph
January 7 mph
March 7 mph

Nagoya on the Weather Map

Japan Resorts:
NAME
Atami +46
Fukuoka +48
Hakone +48
Hiroshima +44
Kamakura +48
Kobe +46
Kyoto +44
Nagasaki +50
Nagoya +54
Nara +44
Okinawa +64
Osaka +46
Sapporo +34
Tokyo +50
Yokohama +50
24 Hours Weather Forecast
Nagoya
Local time: 15:17
13 mar, friday
1800 48°F
S
11 mph
2100 46°F
S
7 mph
14 mar, saturday
0000 42°F
SE
11 mph
0300 42°F
SE
9 mph
0600 40°F
SE
8 mph
0900 46°F
SE
11 mph
1200 56°F
SE
7 mph
1500 60°F
E
9 mph