World Resorts Japan Okinawa Weather

Okinawa Sea Temperature in May

Average sea water temperature in May:
+75.7°F
Minimum sea water temperature in May: 80.8°F
Maximum sea water temperature in May: 71.4°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 75.4°F. The highest and lowest sea temperatures during the month were 78.4°F and 73.6°F.

Monthly sea water temperature in Okinawa, °F

Which Japan resorts have warmest sea in May?

Place name May 2026 May 2025
Okinawa 75.4°F 76.2°F
Nagasaki 69.1°F 66.0°F
Tokyo 69.0°F 66.8°F
Fukuoka 68.7°F 64.7°F
Yokohama 68.5°F 66.1°F
Nagoya 68.0°F 65.9°F
Kyoto 67.7°F 64.8°F
Kamakura 67.7°F 65.7°F
Atami 67.1°F 65.3°F
Nara 67.0°F 64.9°F
Hakone 67.0°F 65.5°F
Osaka 66.5°F 65.1°F
Kobe 65.6°F 64.1°F
Hiroshima 64.6°F 62.9°F
Sapporo 52.1°F 52.4°F
Noboribetsu 47.9°F 48.5°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 64.4 °F
February 65.5 °F
December 68.0 °F
Rainiest months:
June 13 days
May 10 days
August 10 days
Windiest months:
December 15.4 mph
October 14.6 mph
January 14.4 mph

Okinawa on a weather map

Okinawa
+77°F
N 18 mph
Feels like: +82°F
Precip.: 31%
Places in Japan:
Name
°F
+64°F
+66°F
+68°F
+68°F
+70°F
+72°F
+68°F
+68°F
+77°F
+73°F
+48°F
+70°F
+72°F
+66°F
+66°F
24 Hours Forecast
Okinawa
Local time: 20:05
June 06, saturday
2100
77°F
N
18 mph
June 07, sunday
0000
77°F
N
17 mph
0300
77°F
N
17 mph
0600
77°F
N
15 mph
0900
79°F
N
16 mph
1200
79°F
NE
16 mph
1500
77°F
NE
14 mph
1800
77°F
NE
12 mph
Units of measurement: °C / °F