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 74.3°F. The highest and lowest sea temperatures during the month were 75.4°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 | 74.3°F | 76.2°F |
| Tokyo | 68.4°F | 66.8°F |
| Yokohama | 67.9°F | 66.1°F |
| Kamakura | 66.6°F | 65.7°F |
| Nagasaki | 66.6°F | 66.0°F |
| Fukuoka | 66.4°F | 64.7°F |
| Hakone | 66.1°F | 65.5°F |
| Atami | 65.8°F | 65.3°F |
| Nagoya | 65.5°F | 65.9°F |
| Nara | 64.8°F | 64.9°F |
| Kyoto | 64.7°F | 64.8°F |
| Osaka | 64.7°F | 65.1°F |
| Kobe | 63.4°F | 64.1°F |
| Hiroshima | 62.2°F | 62.9°F |
| Sapporo | 50.9°F | 52.4°F |
| Noboribetsu | 46.3°F | 48.5°F |
Best time for vacation in Okinawa
Okinawa on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Okinawa
Local time: 17:58
May 17, sunday
1800
72°F
W
15 mph
15 mph
2100
70°F
W
14 mph
14 mph
May 18, monday
0000
70°F
W
16 mph
16 mph
0300
70°F
W
14 mph
14 mph
0600
70°F
W
14 mph
14 mph
0900
72°F
W
16 mph
16 mph
1200
73°F
W
15 mph
15 mph
1500
73°F
SW
14 mph
14 mph
