World Resorts Japan Yokohama Weather

Yokohama sea water temperature

Current sea water temperature:
+72.7°F
Minimum sea water temperature in June: 79.0°F
Maximum sea water temperature in June: 66.4°F
Average sea water temperature in June: 71.0°F

Sea water temperature for the last 10 days:

June 28 72.7°F June 23 73.2°F
June 27 71.8°F June 22 73.0°F
June 26 72.3°F June 21 73.2°F
June 25 73.2°F June 20 72.0°F
June 24 72.9°F June 19 72.1°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.

Best time for vacation in Yokohama

Sunniest months:
January 16 days
December 16 days
July 14 days
Warmest months:
August 87.7 °F
July 84.4 °F
September 81.9 °F
Warmest sea temp:
August 81.2 °F
September 78.4 °F
July 77.5 °F
Coldest months:
January 48.8 °F
February 49.7 °F
December 53.6 °F
Rainiest months:
September 7 days
June 7 days
October 6 days
Windiest months:
April 12.4 mph
March 12.1 mph
February 11.6 mph

Yokohama on a weather map

Yokohama
+75°F
NW 3 mph
Feels like: +79°F
Precip.: 12%
Places in Japan:
Name
°F
+75°F
+75°F
+73°F
+82°F
+79°F
+77°F
+82°F
+82°F
+82°F
+81°F
+66°F
+79°F
+81°F
+75°F
+79°F
24 Hours Forecast
Yokohama
Local time: 11:44
June 29, monday
1200
75°F
NW
3 mph
1500
77°F
N
7 mph
1800
75°F
N
9 mph
2100
73°F
N
6 mph
June 30, tuesday
0000
73°F
N
2 mph
0300
73°F
SW
3 mph
0600
72°F
SW
5 mph
0900
75°F
SW
6 mph
Units of measurement: °C / °F