Current sea water temperature:
+57.0°F
| Minimum sea water temperature in December: | 64.4°F |
| Maximum sea water temperature in December: | 55.0°F |
| Average sea water temperature in December: | 60.1°F |
| more information | |
14 days
forecast
forecast
| Yokohama |
monthly
weather
weather
| Yokohama |
Sea water temperature for the last 10 days:
| December 31 | 57.0°F | December 26 | 56.7°F |
| December 30 | 56.5°F | December 25 | 59.2°F |
| December 29 | 56.1°F | December 24 | 58.6°F |
| December 28 | 56.7°F | December 23 | 58.5°F |
| December 27 | 56.5°F | December 22 | 57.9°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
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: 03:16
January 01, thursday
0600
45°F
S
12 mph
12 mph
0900
45°F
S
13 mph
13 mph
1200
45°F
S
12 mph
12 mph
1500
46°F
SW
7 mph
7 mph
1800
46°F
SW
4 mph
4 mph
2100
46°F
SW
6 mph
6 mph
January 02, friday
0000
45°F
SW
9 mph
9 mph
0300
43°F
SW
10 mph
10 mph
