World Resorts Japan Tokyo Weather

Tokyo Sea Temperature in August

Average sea water temperature in August:
+81.7°F
Minimum sea water temperature in August: 86.4°F
Maximum sea water temperature in August: 76.8°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 83.7°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.4°F.

Monthly sea water temperature in Tokyo, °F

Which Japan resorts have warmest sea in August?

Place name August 2025 August 2024
Nagoya 86.4°F 86.2°F
Kyoto 86.3°F 86.2°F
Nara 85.7°F 85.2°F
Osaka 85.5°F 84.8°F
Okinawa 85.4°F 86.5°F
Fukuoka 85.2°F 85.9°F
Nagasaki 84.8°F 85.5°F
Kobe 84.8°F 83.6°F
Tokyo 83.7°F 84.3°F
Hiroshima 83.2°F 84.6°F
Yokohama 82.8°F 83.8°F
Kamakura 81.5°F 82.8°F
Hakone 80.9°F 82.8°F
Atami 80.7°F 82.8°F
Sapporo 77.2°F 74.6°F
Noboribetsu 74.8°F 74.5°F

Best time for vacation in Tokyo

Sunniest months:
January 19 days
December 19 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 48.4 °F
February 49.9 °F
December 53.2 °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
+46°F
S 6 mph
Feels like: +43°F
Precip.: 0%
Places in Japan:
Name
°F
+43°F
+48°F
+50°F
+37°F
+43°F
+43°F
+41°F
+39°F
+63°F
+45°F
+30°F
+46°F
+41°F
+43°F
+36°F
24 Hours Forecast
Tokyo
Local time: 00:32
December 06, saturday
0300
45°F
S
4 mph
0600
43°F
S
5 mph
0900
45°F
S
5 mph
1200
50°F
NW
2 mph
1500
54°F
NW
8 mph
1800
52°F
N
5 mph
2100
50°F
SE
5 mph
December 07, sunday
0000
48°F
SE
4 mph
Units of measurement: °C / °F