Measurements:
°C
°F
Nagoya
54°F
SE 2 mph
Feels like: 54°F
Precip: 0%
World Resorts Japan Nagoya Weather

Nagoya Sea Water Temperature

Current Sea Water Temperature:
+49.8°F
Maximum Sea Water Temperature in February: 60.8°F
Minimum Sea Water Temperature in February: 47.4°F
Average water temperature in February: 54.9°F

Sea Water Temperature for the Last 10 Days:

February 20 49.8°F February 15 48.4°F
February 19 49.6°F February 14 47.4°F
February 18 49.8°F February 13 49.4°F
February 17 49.4°F February 12 49.8°F
February 16 49.4°F February 11 50.4°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 48.2 °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 +54
Fukuoka +58
Hakone +54
Hiroshima +54
Kamakura +52
Kobe +52
Kyoto +54
Nagasaki +58
Nagoya +54
Nara +56
Okinawa +70
Osaka +54
Sapporo +36
Tokyo +54
Yokohama +52
24 Hours Weather Forecast
Nagoya
Local time: 11:47
21 feb, saturday
1200 54°F
SE
2 mph
1500 58°F
NE
2 mph
1800 54°F
N
5 mph
2100 50°F
NW
5 mph
22 feb, sunday
0000 48°F
W
4 mph
0300 44°F
SW
4 mph
0600 44°F
S
4 mph
0900 48°F
S
2 mph