Measurements:
°C
°F
Nagoya
82°F
N 8 mph
Feels like: 84°F
Precip: 13%
World Resorts Japan Nagoya Weather

Nagoya Sea Water Temperature

Current Sea Water Temperature:
+78.8°F
Maximum Sea Water Temperature in October: 83.8°F
Minimum Sea Water Temperature in October: 69.2°F
Average water temperature in October: 75.7°F

Sea Water Temperature for the Last 10 Days:

October 18 78.8°F October 13 79.0°F
October 17 79.8°F October 12 78.4°F
October 16 77.4°F October 11 77.8°F
October 15 78.0°F October 10 77.4°F
October 14 79.4°F October 09 78.2°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 88.5°F. The maximum and minimum values were 85.2°F and 91.6°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Nagoya was 82.7°F. The maximum and minimum values were 80.4°F and 89.2°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 96.0 °F
July 92.5 °F
September 87.3 °F
Warmest sea temperature:
August 87.2 °F
July 83.5 °F
September 82.8 °F
The most cold months:
January 45.6 °F
February 48.4 °F
December 50.3 °F
The most rainy months:
July 9 days
September 9 days
June 9 days
The most windy months:
February 7 mph
March 7 mph
January 7 mph

Nagoya on the Weather Map

Japan Resorts:
NAME
F°
Atami +76
Fukuoka +86
Hakone +78
Hiroshima +74
Kamakura +80
Kobe +78
Kyoto +76
Nagasaki +78
Nagoya +82
Nara +78
Okinawa +86
Osaka +80
Sapporo +60
Tokyo +84
Yokohama +78
24 Hours Weather Forecast
Nagoya
Local time: 14:00
19 oct, monday
1500 82°F
N
8 mph
1800 78°F
N
6 mph
2100 78°F
NW
6 mph
20 oct, tuesday
0000 76°F
NW
6 mph
0300 76°F
NW
6 mph
0600 74°F
NW
4 mph
0900 78°F
NW
2 mph
1200 82°F
SE
7 mph