Current sea water temperature:
+55.0°F
| Minimum sea water temperature in January: | 60.3°F |
| Maximum sea water temperature in January: | 49.6°F |
| Average sea water temperature in January: | 56.0°F |
| more information | |
14 days
forecast
forecast
| Yokohama |
monthly
weather
weather
| Yokohama |
Sea water temperature for the last 10 days:
| January 11 | 55.0°F | January 6 | 55.8°F |
| January 10 | 56.1°F | January 5 | 55.8°F |
| January 9 | 55.4°F | January 4 | 56.5°F |
| January 8 | 56.7°F | January 3 | 56.3°F |
| January 7 | 55.6°F | January 2 | 57.0°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
January
January
| Yokohama |
Best time for vacation in Yokohama
Yokohama on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Yokohama
Local time: 07:56
January 12, monday
0900
39°F
SW
4 mph
4 mph
1200
43°F
N
5 mph
5 mph
1500
45°F
N
6 mph
6 mph
1800
45°F
N
8 mph
8 mph
2100
45°F
NE
5 mph
5 mph
January 13, tuesday
0000
45°F
E
9 mph
9 mph
0300
43°F
E
9 mph
9 mph
0600
45°F
NE
15 mph
15 mph
