Average sea water temperature in April:
+59.4°F
| Minimum sea water temperature in April: | 65.1°F |
| Maximum sea water temperature in April: | 53.4°F |
Daily sea water temperature in April, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
49
52
55
58
61
64
67
70
The average sea water temperature in April of 2025 was 56.9°F. The highest and lowest sea temperatures during the month were 61.0°F and 53.4°F.
Monthly sea water temperature in Tokyo, °F
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
Which Japan resorts have warmest sea in April?
| Place name | April 2025 | April 2024 |
|---|---|---|
| Okinawa | 70.9°F | 73.4°F |
| Atami | 60.2°F | 62.4°F |
| Hakone | 60.2°F | 62.2°F |
| Kamakura | 59.9°F | 62.1°F |
| Nagasaki | 59.9°F | 63.0°F |
| Yokohama | 57.9°F | 60.5°F |
| Fukuoka | 57.1°F | 60.0°F |
| Tokyo | 56.9°F | 60.3°F |
| Nagoya | 56.2°F | 60.0°F |
| Osaka | 55.9°F | 58.7°F |
| Hiroshima | 55.7°F | 58.5°F |
| Nara | 55.5°F | 58.4°F |
| Kyoto | 55.2°F | 57.8°F |
| Kobe | 54.8°F | 57.7°F |
| Sapporo | 44.0°F | 44.7°F |
| Noboribetsu | 41.8°F | 41.7°F |
Best time for vacation in Tokyo
Tokyo on a weather map
Leaflet | Tiles © Esri
Places in Japan:
Name
°F
24 Hours Forecast
Tokyo
Local time: 06:48
April 18, friday
0900
66°F
NE
2 mph
2 mph
1200
73°F
N
9 mph
9 mph
1500
73°F
N
8 mph
8 mph
1800
72°F
N
9 mph
9 mph
2100
68°F
N
8 mph
8 mph
April 19, saturday
0000
66°F
E
3 mph
3 mph
0300
64°F
S
3 mph
3 mph
0600
64°F
S
5 mph
5 mph
