World Resorts Japan Tokyo Weather

Tokyo Sea Temperature in April

Average sea water temperature in April:
+59.6°F
Minimum sea water temperature in April: 65.5°F
Maximum sea water temperature in April: 53.4°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 62.0°F. The highest and lowest sea temperatures during the month were 65.5°F and 57.0°F.

Monthly sea water temperature in Tokyo, °F

Which Japan resorts have warmest sea in April?

Place name April 2026 April 2025
Okinawa 74.5°F 71.5°F
Nagasaki 64.1°F 61.4°F
Atami 62.4°F 60.9°F
Hakone 62.2°F 61.1°F
Tokyo 62.0°F 59.1°F
Kamakura 61.9°F 61.1°F
Yokohama 61.5°F 59.6°F
Fukuoka 60.3°F 58.6°F
Nagoya 60.3°F 58.4°F
Osaka 59.5°F 57.6°F
Nara 59.4°F 57.4°F
Kyoto 59.4°F 57.4°F
Kobe 58.9°F 56.5°F
Hiroshima 58.5°F 57.2°F
Sapporo 46.3°F 44.9°F
Noboribetsu 41.1°F 42.1°F

Best time for vacation in Tokyo

Sunniest months:
January 19 days
December 18 days
November 14 days
Warmest months:
August 90.8 °F
July 88.0 °F
September 83.4 °F
Warmest sea temp:
August 81.8 °F
September 78.7 °F
July 78.2 °F
Coldest months:
January 48.3 °F
February 50.0 °F
December 53.1 °F
Rainiest months:
June 7 days
September 6 days
October 5 days
Windiest months:
April 10.0 mph
May 9.3 mph
March 9.3 mph

Tokyo on a weather map

Tokyo
+88°F
N 9 mph
Feels like: +97°F
Precip.: 57%
Places in Japan:
Name
°F
+84°F
+82°F
+81°F
+95°F
+88°F
+82°F
+93°F
+73°F
+84°F
+95°F
+84°F
+88°F
+86°F
+82°F
+82°F
24 Hours Forecast
Tokyo
Local time: 12:05
July 17, friday
1500
86°F
N
13 mph
1800
84°F
N
13 mph
2100
81°F
NW
11 mph
July 18, saturday
0000
79°F
NW
9 mph
0300
79°F
NW
7 mph
0600
79°F
NW
6 mph
0900
84°F
NW
7 mph
1200
88°F
N
9 mph
Units of measurement: °C / °F