World Resorts Japan Nagoya Weather

Nagoya sea water temperature

Current sea water temperature:
+58.1°F
Minimum sea water temperature in December: 65.3°F
Maximum sea water temperature in December: 54.9°F
Average sea water temperature in December: 60.2°F

Sea water temperature for the last 10 days:

December 22 58.1°F December 17 56.5°F
December 21 57.9°F December 16 58.1°F
December 20 57.6°F December 15 57.9°F
December 19 57.2°F December 14 59.2°F
December 18 56.8°F December 13 59.2°F

When is the warmest sea in Nagoya?

Based on the data about daily sea water temperature for the last three years the warmest sea in Nagoya was noticed in August, July and September.

Monthly Sea Temperatures in Nagoya, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 89.2°F and 82.6°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 87.4°F and 80.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 88.0°F and 75.4°F.

Best time for vacation in Nagoya

Sunniest months:
January 16 days
May 16 days
November 16 days
Warmest months:
August 91.5 °F
July 88.2 °F
September 83.9 °F
Warmest sea temp:
August 83.4 °F
July 80.0 °F
September 79.6 °F
Coldest months:
January 46.1 °F
February 48.4 °F
December 50.2 °F
Rainiest months:
July 10 days
August 9 days
September 9 days
Windiest months:
February 7.5 mph
January 7.2 mph
March 7.2 mph

Nagoya on a weather map

Nagoya
+48°F
SE 7 mph
Feels like: +45°F
Precip.: 0%
Places in Japan:
Name
°F
+48°F
+50°F
+52°F
+43°F
+45°F
+52°F
+48°F
+43°F
+64°F
+46°F
+23°F
+48°F
+50°F
+50°F
+43°F
24 Hours Forecast
Nagoya
Local time: 19:25
December 22, monday
2100
45°F
SE
7 mph
December 23, tuesday
0000
43°F
SE
6 mph
0300
43°F
SE
5 mph
0600
41°F
SE
4 mph
0900
45°F
S
3 mph
1200
50°F
E
2 mph
1500
52°F
NE
4 mph
1800
50°F
SE
1 mph
Units of measurement: °C / °F