World Resorts Japan Osaka Weather

Osaka Sea Temperature in December

Average sea water temperature in December:
+59.6°F
Minimum sea water temperature in December: 64.8°F
Maximum sea water temperature in December: 52.2°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 63.1°F and 56.3°F.

Monthly sea water temperature in Osaka, °F

Which Japan resorts have warmest sea in December?

Place name December 2025 December 2024
Okinawa 75.6°F 75.3°F
Nagasaki 67.3°F 64.1°F
Atami 66.3°F 65.8°F
Hakone 65.9°F 65.7°F
Kamakura 65.8°F 65.1°F
Fukuoka 62.8°F 62.2°F
Hiroshima 62.0°F 61.6°F
Kobe 60.8°F 60.1°F
Yokohama 60.6°F 60.4°F
Nagoya 59.7°F 60.7°F
Osaka 59.7°F 58.7°F
Nara 59.3°F 58.2°F
Tokyo 58.6°F 58.4°F
Kyoto 57.6°F 56.4°F
Noboribetsu 49.9°F 50.2°F
Sapporo 45.2°F 45.2°F

Best time for vacation in Osaka

Sunniest months:
May 16 days
August 16 days
October 15 days
Warmest months:
August 91.8 °F
July 88.5 °F
September 84.6 °F
Warmest sea temp:
August 82.6 °F
September 79.5 °F
July 79.3 °F
Coldest months:
January 46.7 °F
February 48.5 °F
December 50.8 °F
Rainiest months:
June 7 days
July 7 days
September 5 days
Windiest months:
December 7.4 mph
February 7.4 mph
January 7.3 mph

Osaka on a weather map

Osaka
+52°F
SW 11 mph
Feels like: +48°F
Precip.: 71%
Places in Japan:
Name
°F
+50°F
+50°F
+48°F
+52°F
+57°F
+50°F
+50°F
+41°F
+70°F
+52°F
+30°F
+46°F
+52°F
+48°F
+45°F
24 Hours Forecast
Osaka
Local time: 02:42
December 24, wednesday
0300
52°F
SW
11 mph
0600
52°F
SW
10 mph
0900
54°F
SW
8 mph
1200
52°F
W
7 mph
1500
54°F
SW
6 mph
1800
54°F
SW
4 mph
2100
54°F
SW
2 mph
December 25, thursday
0000
54°F
E
2 mph
Units of measurement: °C / °F