Current sea water temperature:
+70.0°F
| Minimum sea water temperature in May: | 70.5°F |
| Maximum sea water temperature in May: | 60.3°F |
| Average sea water temperature in May: | 65.8°F |
| more information | |
14 days
forecast
forecast
| Yokohama |
monthly
weather
weather
| Yokohama |
Sea water temperature for the last 10 days:
| May 19 | 70.0°F | May 14 | 68.7°F |
| May 18 | 70.0°F | May 13 | 68.2°F |
| May 17 | 68.7°F | May 12 | 67.3°F |
| May 16 | 68.5°F | May 11 | 66.7°F |
| May 15 | 69.4°F | May 10 | 68.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Yokohama?
Based on the data about daily sea water temperature for the last three years the warmest sea in Yokohama was noticed in August, September and July.
Monthly Sea Temperatures in Yokohama, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 82.8°F. The highest and lowest sea temperatures during the month were 85.1°F and 81.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 84.9°F and 75.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.8°F. The highest and lowest sea temperatures during the month were 84.2°F and 76.6°F.
current
weather
weather
| Yokohama |
weather in
May
May
| Yokohama |
Best time for vacation in Yokohama
Yokohama on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Yokohama
Local time: 22:42
May 20, wednesday
0000
68°F
NE
15 mph
15 mph
0300
68°F
NE
10 mph
10 mph
0600
68°F
NE
7 mph
7 mph
0900
70°F
N
7 mph
7 mph
1200
72°F
N
11 mph
11 mph
1500
73°F
N
14 mph
14 mph
1800
72°F
N
15 mph
15 mph
2100
70°F
N
14 mph
14 mph
