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In May warmest sea in Japan is usually observed in the following locations: Okinawa, Tokyo, Yokohama.
Table below shows the average sea water temperature for marine resorts of Japan in May for the last three years.
| Place name | May 2024 | May 2023 | May 2022 |
|---|---|---|---|
| Okinawa | 76.7°F | 75.1°F | 76.1°F |
| Tokyo | 67.9°F | 66.8°F | 66.5°F |
| Yokohama | 67.2°F | 66.0°F | 65.8°F |
| Nagasaki | 67.0°F | 66.5°F | 67.9°F |
| Atami | 67.0°F | 65.7°F | 66.5°F |
| Hakone | 66.9°F | 65.5°F | 66.5°F |
| Kamakura | 66.9°F | 65.8°F | 66.0°F |
| Fukuoka | 66.8°F | 65.4°F | 66.6°F |
| Nagoya | 66.7°F | 65.2°F | 66.7°F |
| Kyoto | 65.2°F | 64.2°F | 66.1°F |
| Nara | 64.8°F | 64.9°F | 65.8°F |
| Osaka | 64.6°F | 65.2°F | 65.6°F |
| Kobe | 63.6°F | 65.0°F | 64.4°F |
| Hiroshima | 63.2°F | 63.0°F | 63.8°F |
| Sapporo | 52.7°F | 52.2°F | 51.7°F |
| Noboribetsu | 49.3°F | 47.6°F | 47.4°F |
Charts below show average sea water temperature for Japan resorts with the warmest sea in May.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
74.6
77.7
80.8
83.7
84.4
83.6
79.8
75.7
72.3
70.7
70.5
71.9
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
59
65.1
71.2
78.5
81.6
77.9
71.3
65.9
59.4
55.2
53.7
54.7
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
60.1
65.7
71.4
78.3
81
77.3
70.9
65.6
59.7
55.9
55.2
56
You can also check other months of the year to see sea temperature of Japan resorts at that time.
Places in Japan:
Name
°F
