World Resorts Japan Tokyo Weather

Tokyo weather in August

Weather in Tokyo: August

Average day temperature: 90.8°F
Average night temperature: 81.0°F
Sea water temperature: 81.7°F
Number of sunny days: 13 days
Day length: 13.0 - 13.9 hours
Number of rainy days: 5 days
Precipitation totals: 4.1 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 100°F. At the same time the lowest night temperature was 78°F. Daily and nightly averages during August were 92.9°F and 82.9°F.

Sea water temperature in Tokyo 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.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Tokyo in August is 4.6 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 8.9 mph It makes August one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.4.

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: 23:48
December 06, saturday
0000
46°F
S
6 mph
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
Units of measurement: °C / °F