World Resorts Japan Okinawa Weather

Okinawa Sea Temperature in December

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

Sunniest months:
August 9 days
July 8 days
September 7 days
Warmest months:
August 87.0 °F
July 86.7 °F
September 85.4 °F
Warmest sea temp:
August 84.5 °F
September 83.8 °F
July 83.6 °F
Coldest months:
January 64.6 °F
February 65.6 °F
December 68.0 °F
Rainiest months:
June 13 days
May 10 days
August 10 days
Windiest months:
December 15.4 mph
January 14.6 mph
October 14.6 mph

Okinawa on a weather map

Okinawa
+64°F
S 7 mph
Feels like: +64°F
Precip.: 0%
Places in Japan:
Name
°F
+50°F
+54°F
+54°F
+48°F
+59°F
+48°F
+52°F
+36°F
+64°F
+50°F
+34°F
+52°F
+57°F
+52°F
+50°F
24 Hours Forecast
Okinawa
Local time: 12:20
January 10, saturday
1500
64°F
S
10 mph
1800
63°F
S
15 mph
2100
61°F
S
14 mph
January 11, sunday
0000
61°F
S
14 mph
0300
61°F
S
17 mph
0600
59°F
S
21 mph
0900
59°F
S
19 mph
1200
61°F
S
21 mph
Units of measurement: °C / °F