Japan in august: average Weather, Temperature and Climate, Where to go?
Weather in Japan in august 2025
Here, you have access to the weather forecast for august for most popular cities in Japan. These predictions are probabilities for the month of august from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in august in Tokyo
good weather UV index: 8
Weather at 6am
81°F
Clear/Sunny
40% of time
30%
16%
7%
Weather at 12pm
90°F
Clear/Sunny
45% of time
25%
22%
5%
Weather at 6pm
86°F
Clear/Sunny
42% of time
24%
20%
10%
Weather at 3am
81°F
43%
28%
12%
11%
Where to go in Japan in august?
Where to go in Japan in august: destination map
Where to go in each region in august?
| Chūbu (Nagoya, Kanazawa, Nagano...) | 81°F to 94°F | 6 à 19 days | 81°F to 83°F | tolerable weather* |
| Chūgoku (Hiroshima, Okayama, Izumo...) | 83°F to 90°F | 6 à 15 days | 81°F to 83°F | good weather* |
| Hokkaidō (Sapporo (Hokkaido), Hakodate, Abashiri...) | 67°F to 77°F | 6 à 12 days | 63°F to 72°F | good weather* |
| Kansai (Osaka, Kyoto, Kobe...) | 85°F to 92°F | 7 à 14 days | 81°F to 83°F | good weather |
| Kantō (Tokyo, Hakone, Nikko...) | 83°F to 90°F | 5 à 16 days | 76°F to 81°F | good weather |
| Kyushu (Fukuoka, Kagoshima (Kyushu), Nagasaki...) | 85°F to 92°F | 9 à 18 days | 83°F to 85°F | tolerable weather* |
| Ogasawara (Ogasawara Islands...) | 85°F | 8 days | good weather | |
| Okinawa (Naha, Nago, Miyakojima...) | 86°F | 11 à 15 days | 85°F to 86°F | tolerable weather |
| Shikoku (Kochi, Tokushima, Takamatsu...) | 83°F to 88°F | 8 à 12 days | 83°F | good weather* |
| Tōhoku (Sendai (Honshu), Aomori, Akita...) | 77°F to 86°F | 7 à 12 days | 72°F to 79°F | good weather* |
Where should you go in Japan in august when it comes to the weather?
Remember:
The climate in Japan in august ranges from good to tolerable depending on the region and city.
Apart from the island of Okinawa which undergoes a considerable increase in showers, the whole Japanese territory sees an improvement in climatic conditions through a decrease in precipitation levels. In some areas, precipitation is rapidly decreasing. A regression of rain and a comfortable heat favors the climate throughout August in Japan making it ideal, in most localities.
Northern Japan in August
The climate is improving on the island of Hokkaido. The rains are scarce, compared to those of the previous month. Thanks to the rising temperatures, it is possible to enjoy a comfortable warmth all day long. This is especially true as the sun reappears frequently. However, beware of rainy episodes and misty mornings!
The Center of Japan in August
Temperatures continue to climb and the heat cis hardly bearable in the middle of the day. Apart from Sendai, which is disadvantaged by a mild and morning fog, most of the localities on the Honshu Island are favored by a more pleasant weather throughout August in Japan.
South-West of Japan in August
The climatic conditions of the islands in southwestern Japan are the same. Temperatures are high while precipitation remains abundant. Unlike Kagoshima, favored by a drop in the intensity of showers, Naha suffers the throes of bad weather and sees precipitation intensify.
Climate in Japan in august
Climate in Tokyo in august
In the month of august, the mean temperature in Tokyo is 86°F (maximum temperature is 90°F and minimum temperature is 81°F). The climate is very warm around this city in this month. With 3.7in over 5 days, rain may occur for your holidays. But this is rather reasonably and you will not be too bothered by it.
With a good weather, august is an advisable month to go in Tokyo in Japan.
| August | |||
| Average temperature | 86°F | ||
| Highest temperature | 90°F | ||
| Lowest temperature | 81°F | ||
| Sea temperature | 79°F | ||
| Rainfall | 3.7in | ||
| Number of days with rainfall | 5 day(s) (16%) | ||
| Humidity | 81% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 33% | ||
| Length of day | 13:31 | ||
| Our opinion at whereandwhen.net | good |
Climate in Fukuoka in august
In august, the mean temperature in Fukuoka is 83°F (maximum temperature is 88°F and minimum temperature is 77°F). The climate is very hot in that area in this month. With 10.8in over 11 days, rain may occur throughout your journey. But this is rather moderate and you will not be too bothered by it.
With proper weather, august is okay (but not the best month) for traveling in this city in Japan.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 82°F | ||
| Rainfall | 10.8in | ||
| Number of days with rainfall | 11 day(s) (34%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 35% | ||
| Length of day | 13:24 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Hiroshima in august
In august, maximum temperature is 88°F and minimum temperature is 76°F (for an average temperature of 83°F). The climate is burning around this city in august. With 9.5in over 9 days, you will experience some showers for your stay. But this is moderate and you will not be too bothered by it.
With a correct weather, the month of august is okay (but not the best month) for traveling in this city in Japan.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 76°F | ||
| Sea temperature | 80°F | ||
| Rainfall | 9.5in | ||
| Number of days with rainfall | 9 day(s) (31%) | ||
| Humidity | 92% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 37% | ||
| Length of day | 13:27 | ||
| Our opinion at whereandwhen.net | good |
Climate in Kochi in august
In the month of august, maximum temperature is 88°F and minimum temperature is 77°F (for an average temperature of 83°F). The climate is very warm in this city in this month. With 8.3in over 9 days, you will experience some showers for your vacations. But this is pretty moderate and it is only of temporary showers.
With proper weather, august is okay (but not the best time) for traveling in this city in Japan.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 8.3in | ||
| Number of days with rainfall | 9 day(s) (30%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 32% | ||
| Length of day | 13:24 | ||
| Our opinion at whereandwhen.net | good |
Climate in Kyoto in august
In the month of august, the mean temperature in Kyoto is 83°F (maximum temperature is 90°F and minimum temperature is 76°F). The climate is very warm around this city in this month. With 9.2in over 10 days, rain may occur during your stay. But this is pretty reasonably and you will not be too bothered by it.
With good weather conditions, august is a good time to go in Kyoto in Japan.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 90°F | ||
| Lowest temperature | 76°F | ||
| Rainfall | 9.2in | ||
| Number of days with rainfall | 10 day(s) (33%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 43% | ||
| Length of day | 13:29 | ||
| Our opinion at whereandwhen.net | good |
All cities in Japan in august
| Tokyo in august | good weather |
| Fukuoka in august | tolerable weather |
| Hiroshima in august | good weather |
| Kochi in august | good weather |
| Kyoto in august | good weather |
| Nagoya in august | good weather |
| Okinawa in august | tolerable weather |
| Osaka in august | good weather |
| Sapporo (Hokkaido) in august | good weather |
| Abashiri in august | good weather |
| Akita in august | tolerable weather |
| Aomori in august | good weather |
| Hakodate in august | good weather |
| Hakone in august | good weather |
| Ogasawara Islands in august | good weather |
| Izumo in august | tolerable weather |
| Kagoshima (Kyushu) in august | tolerable weather |
| Kanazawa in august | tolerable weather |
| Kobe in august | good weather |
| Miyakojima in august | tolerable weather |
| Nagano in august | tolerable weather |
Weather data for Japan in august:
Weather data for Japan in august is derived from an average of the weather forecast since 2009 in Japan. There is a margin of error and these forecasts are to be considered as general information only. The weather in Japan can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Japan.