Measurements:
°C
°F
Nagoya
86°F
N 8 mph
Feels like: 90°F
Precip: 5%
World Resorts Japan Nagoya Weather

Nagoya Sea Water Temperature

Current Sea Water Temperature:
+88.2°F
Maximum Sea Water Temperature in August: 93.6°F
Minimum Sea Water Temperature in August: 81.4°F
Average water temperature in August: 87.1°F

Sea Water Temperature for the Last 10 Days:

August 19 88.2°F August 14 85.2°F
August 18 89.6°F August 13 86.0°F
August 17 88.8°F August 12 87.0°F
August 16 88.6°F August 11 89.4°F
August 15 86.8°F August 10 89.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Nagoya was 87.7°F. The maximum and minimum values were 85.2°F and 89.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Nagoya was 85.1°F. The maximum and minimum values were 79.2°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 83.5 °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 9 days
August 9 days
September 9 days
The most windy months:
February 7 mph
March 7 mph
January 7 mph

Nagoya on the Weather Map

Japan Resorts:
NAME
Atami +76
Fukuoka +84
Hakone +82
Hiroshima +76
Kamakura +82
Kobe +82
Kyoto +86
Nagasaki +84
Nagoya +86
Nara +84
Okinawa +84
Osaka +86
Sapporo +70
Tokyo +86
Yokohama +82
24 Hours Weather Forecast
Nagoya
Local time: 20:42
19 aug, wednesday
2100 86°F
N
8 mph
20 aug, thursday
0000 84°F
N
5 mph
0300 82°F
NW
2 mph
0600 82°F
W
1 mph
0900 90°F
NE
1 mph
1200 96°F
NE
7 mph
1500 96°F
N
10 mph
1800 90°F
N
11 mph