Current sea water temperature:
+77.0°F
| Minimum sea water temperature in September: | 84.9°F |
| Maximum sea water temperature in September: | 72.5°F |
| Average sea water temperature in September: | 78.5°F |
| more information | |
14 days
forecast
forecast
| Yokohama |
monthly
weather
weather
| Yokohama |
Sea water temperature for the last 10 days:
| September 20 | 77.0°F | September 15 | 79.3°F |
| September 19 | 77.5°F | September 14 | 79.5°F |
| September 18 | 77.7°F | September 13 | 77.7°F |
| September 17 | 79.7°F | September 12 | 77.9°F |
| September 16 | 78.8°F | September 11 | 77.9°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 81.6°F. The highest and lowest sea temperatures during the month were 84.4°F and 78.6°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 79.1°F. The highest and lowest sea temperatures during the month were 81.1°F and 77.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.2°F. The highest and lowest sea temperatures during the month were 83.5°F and 73.6°F.
current
weather
weather
| Yokohama |
weather in
September
September
| Yokohama |
Best time for vacation in Yokohama
Yokohama on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Yokohama
Local time: 03:14
September 21, monday
0600
73°F
SW
17 mph
17 mph
0900
75°F
S
13 mph
13 mph
1200
75°F
S
16 mph
16 mph
1500
77°F
W
20 mph
20 mph
1800
79°F
W
20 mph
20 mph
2100
77°F
SW
27 mph
27 mph
September 22, tuesday
0000
75°F
S
42 mph
42 mph
0300
77°F
SE
28 mph
28 mph
