Measurements:
°C
°F
Nagoya
68°F
SE 7 mph
Feels like: 68°F
Precip: 76%
World Resorts Japan Nagoya Weather

Nagoya Sea Water Temperature

Current Sea Water Temperature:
+80.4°F
Maximum Sea Water Temperature in September: 92.2°F
Minimum Sea Water Temperature in September: 76.2°F
Average water temperature in September: 82.9°F

Sea Water Temperature for the Last 10 Days:

September 28 80.4°F September 23 82.2°F
September 27 80.6°F September 22 82.6°F
September 26 81.2°F September 21 81.0°F
September 25 81.4°F September 20 81.2°F
September 24 81.2°F September 19 81.0°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 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 82.8°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 82.9 °F
The most cold months:
January 45.6 °F
February 48.4 °F
December 50.3 °F
The most rainy months:
July 9 days
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 +70
Fukuoka +70
Hakone +74
Hiroshima +66
Kamakura +74
Kobe +70
Kyoto +68
Nagasaki +76
Nagoya +68
Nara +68
Okinawa +82
Osaka +70
Sapporo +52
Tokyo +70
Yokohama +74
24 Hours Weather Forecast
Nagoya
Local time: 06:59
29 sep, tuesday
0900 68°F
S
8 mph
1200 66°F
SE
7 mph
1500 66°F
SE
9 mph
1800 64°F
SE
6 mph
2100 66°F
SE
2 mph
30 sep, wednesday
0000 66°F
SE
3 mph
0300 64°F
S
4 mph
0600 62°F
S
4 mph