Japan weather in August

Considering a trip to Japan this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Japan in August?

In August, Japan experiences a range of weather conditions, with temperatures that range from pleasant to very warm and precipitation levels ranging from moderate to heavy. In August, it is summer.

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Nemuro at 19°C to very warm in Moriguchi at 34°C. Nighttime temperatures generally drop to 25°C in Moriguchi and 16°C in Nemuro. In Japan, August typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

In August, precipitation varies across different areas. From moderate rainfall in Choshi with an average of 92 mm to heavy rainfall in Otari with 291 mm. Most cities enjoy a balanced amount of sunshine, with around 177 hours of sunlight anticipated in Tokyo. This ensures the days are neither too dim nor excessively sunny.

To learn more about the conditions in specific areas of Japan in August, check out the map below. For more details on the yearly weather, visit our Japan climate page.

Where to go in Japan in August

Find the average weather conditions in August for the most popular destinations in Japan on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Japan

What is the weather like in August for the 5 most popular destinations in Japan?

Average weather in Tokyo

In August Tokyo generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 25°C and high monthly rainfall. So on average the conditions are tolerable that month.

Tokyo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
30°C 
23°C 
152 hours 
151 mm 
19 days 
32°C 
25°C 
177 hours 
116 mm 
16 days 
28°C 
21°C 
128 hours 
195 mm 
19 days 
Climate in Tokyo

Average weather in Kyoto

In August Kyoto generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 23°C and high monthly rainfall. So on average the conditions are tolerable that month.

Kyoto
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
31°C 
22°C 
145 hours 
241 mm 
18 days 
poor 
33°C 
23°C 
185 hours 
148 mm 
17 days 
29°C 
19°C 
140 hours 
202 mm 
18 days 
Climate in Kyoto

Average weather in Osaka

In August Osaka generally has very high temperatures with maximum daytime temperatures around 34°C, minimum nighttime temperatures around 25°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Osaka
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
32°C 
24°C 
182 hours 
184 mm 
18 days 
34°C 
25°C 
223 hours 
117 mm 
16 days 
30°C 
21°C 
156 hours 
176 mm 
18 days 
Climate in Osaka

Average weather in Hakuba

In August Hakuba generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 19°C and heavy monthly rainfall. So on average the conditions are poor that month.

Hakuba
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
26°C 
18°C 
135 hours 
400 mm 
22 days 
poor 
27°C 
19°C 
166 hours 
289 mm 
20 days 
poor 
23°C 
15°C 
115 hours 
306 mm 
20 days 
poor 
Climate in Hakuba

Average weather in Hakone

In August Hakone generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Hakone
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
28°C 
22°C 
224 mm 
20 days 
29°C 
23°C 
181 mm 
17 days 
26°C 
20°C 
272 mm 
19 days 
poor 
Climate in Hakone

Is your destination not in the list? Have a look at other destinations in Japan.

Is August the best time to visit Japan?

In our opinion, August is a good time to visit Japan with overall tolerable weather in Tokyo.

On average, the best time to visit Japan is in May, June and November with generally pleasant weather in Tokyo. In contrast, January tends to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Japan. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.