World Resorts Japan Yokohama Weather

Yokohama Sea Temperature in December

Average sea water temperature in December:
+60.1°F
Minimum sea water temperature in December: 64.4°F
Maximum sea water temperature in December: 55.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 64.0°F and 56.1°F.

Monthly sea water temperature in Yokohama, °F

Which Japan resorts have warmest sea in December?

Place name December 2025 December 2024
Okinawa 75.1°F 75.3°F
Nagasaki 66.7°F 64.1°F
Atami 65.9°F 65.8°F
Hakone 65.6°F 65.7°F
Kamakura 65.2°F 65.1°F
Fukuoka 62.2°F 62.2°F
Hiroshima 61.5°F 61.6°F
Kobe 60.1°F 60.1°F
Yokohama 59.7°F 60.4°F
Nagoya 59.4°F 60.7°F
Osaka 59.0°F 58.7°F
Nara 58.5°F 58.2°F
Tokyo 57.5°F 58.4°F
Kyoto 56.7°F 56.4°F
Noboribetsu 49.2°F 50.2°F
Sapporo 44.5°F 45.2°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 48.9 °F
February 49.8 °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
+55°F
NE 14 mph
Feels like: +50°F
Precip.: 0%
Places in Japan:
Name
°F
+52°F
+55°F
+55°F
+50°F
+50°F
+52°F
+52°F
+23°F
+66°F
+54°F
+21°F
+52°F
+50°F
+54°F
+48°F
24 Hours Forecast
Yokohama
Local time: 15:23
January 05, monday
1800
54°F
E
9 mph
2100
50°F
S
13 mph
January 06, tuesday
0000
45°F
S
18 mph
0300
43°F
S
16 mph
0600
43°F
S
17 mph
0900
43°F
S
16 mph
1200
45°F
S
8 mph
1500
46°F
NE
1 mph
Units of measurement: °C / °F