Average sea water temperature in December:
+74.6°F
| Minimum sea water temperature in December: | 78.6°F |
| Maximum sea water temperature in December: | 70.9°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 75.1°F. The highest and lowest sea temperatures during the month were 77.4°F and 73.2°F.
Monthly sea water temperature in Okinawa, °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 Okinawa
Okinawa on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Okinawa
Local time: 02:29
January 14, wednesday
0300
59°F
S
9 mph
9 mph
0600
59°F
S
8 mph
8 mph
0900
63°F
SW
9 mph
9 mph
1200
66°F
SW
9 mph
9 mph
1500
66°F
W
11 mph
11 mph
1800
63°F
W
11 mph
11 mph
2100
63°F
W
11 mph
11 mph
January 15, thursday
0000
63°F
W
10 mph
10 mph
