Average sea water temperature in May:
+66.1°F
| Minimum sea water temperature in May: | 71.2°F |
| Maximum sea water temperature in May: | 59.9°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 68.4°F. The highest and lowest sea temperatures during the month were 70.2°F and 65.7°F.
Monthly sea water temperature in Tokyo, °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 Tokyo
Tokyo on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Tokyo
Local time: 19:54
May 17, sunday
2100
73°F
N
13 mph
13 mph
May 18, monday
0000
70°F
N
8 mph
8 mph
0300
70°F
SE
2 mph
2 mph
0600
70°F
S
2 mph
2 mph
0900
75°F
NW
4 mph
4 mph
1200
82°F
N
12 mph
12 mph
1500
81°F
N
17 mph
17 mph
1800
75°F
N
17 mph
17 mph
