Kumamoto Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Kumamoto, Japan in August.

Planning a journey to Kumamoto, Japan this August and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Kumamoto in August

Kumamoto, Japan is a region in Japan. August in Kumamoto generally has very warm temperatures, with precipitation levels ranging from high to heavy. August is a summer month.

Temperatures

The average maximum temperatures are very warm and range from 31°C (88°F) in Takamori to 33°C (91°F) in Kami Amakusa. Nighttime temperatures generally drop to 26°C (79°F) in Kami Amakusa and 22°C (72°F) in Takamori. In Kumamoto, 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.

For specific regional insights in Kumamoto, Japan, refer to the map provided below.

Precipitation

In August, precipitation varies across different areas. From high rainfall in Kumamoto with an average of 148 mm (5.8 in) to heavy rainfall in Amakusa with 189 mm (7.4 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Kumamoto enjoys approximately 208 hours of sunlight, ideal for those seeking sunny weather.

Explore Kumamoto by month

Best Places to Visit in Kumamoto in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Kumamoto.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Kumamoto

What is the weather like in August for some of the most popular destinations in Kumamoto, Japan?

Temperature range in Kumamoto (August)

Precipitation variation in Kumamoto (August)

Kumamoto

In August Kumamoto generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (75°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
30°C (86°F)
32°C (90°F)
29°C (84°F)
Min temperature
24°C (75°F)
24°C (75°F)
21°C (70°F)
Monthly sun hours
178 hours
208 hours
177 hours
Monthly rainfall
313 mm (12 in)
148 mm (5.8 in)
171 mm (6.7 in)
Monthly rainy days
20 days
18 days
17 days
Weather conditions

Minamioguni

In August Minamioguni generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
30°C (86°F)
31°C (88°F)
28°C (82°F)
Min temperature
22°C (72°F)
22°C (72°F)
18°C (64°F)
Monthly sun hours
178 hours
208 hours
177 hours
Monthly rainfall
283 mm (11 in)
173 mm (6.8 in)
192 mm (7.6 in)
Monthly rainy days
21 days
19 days
18 days
Weather conditions

Aso

In August Aso generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
30°C (86°F)
31°C (88°F)
28°C (82°F)
Min temperature
21°C (70°F)
22°C (72°F)
18°C (64°F)
Monthly sun hours
178 hours
208 hours
177 hours
Monthly rainfall
291 mm (11 in)
175 mm (6.9 in)
192 mm (7.6 in)
Monthly rainy days
21 days
19 days
18 days
Weather conditions

Hitoyoshi

In August Hitoyoshi generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
30°C (86°F)
31°C (88°F)
29°C (84°F)
Min temperature
22°C (72°F)
23°C (73°F)
19°C (66°F)
Monthly sun hours
178 hours
208 hours
177 hours
Monthly rainfall
360 mm (14 in)
186 mm (7.3 in)
202 mm (8 in)
Monthly rainy days
21 days
19 days
18 days
Weather conditions

Minami Aso

In August Minami Aso generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
30°C (86°F)
31°C (88°F)
28°C (82°F)
Min temperature
22°C (72°F)
22°C (72°F)
18°C (64°F)
Monthly sun hours
178 hours
208 hours
177 hours
Monthly rainfall
294 mm (12 in)
168 mm (6.6 in)
187 mm (7.4 in)
Monthly rainy days
21 days
19 days
18 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Kumamoto, in Japan.

Popular cities in August

Day & night temperatures, rainfall and average weather in Kumamoto in August.

City Weather Day temp Night temp Rainfall
Kumamoto 32°C (90°F) 24°C (75°F) 148 mm (5.8 in)
Minamioguni 31°C (88°F) 22°C (72°F) 173 mm (6.8 in)
Aso 31°C (88°F) 22°C (72°F) 175 mm (6.9 in)
Hitoyoshi 31°C (88°F) 23°C (73°F) 186 mm (7.3 in)
Minami Aso 31°C (88°F) 22°C (72°F) 168 mm (6.6 in)
Yatsushiro 32°C (90°F) 25°C (77°F) 174 mm (6.9 in)

Kumamoto weather in August: frequently asked questions

What is the weather like in Kumamoto, Japan in August?

In August, Kumamoto, Japan generally has unpleasant weather conditions. Kumamoto sees daytime temperatures near 32°C (90°F), with nights cooling to roughly 24°C (75°F).

What is the average temperature in Kumamoto, Japan in August?

Average temperatures in Kumamoto, Japan during August range from a nighttime low near 24°C (75°F) to a daytime high around 32°C (90°F) in Kumamoto.

Does Kumamoto, Japan get a lot of rain in August?

Kumamoto typically receives notable rainfall in August, about 148 mm (5.8 in) on average across Kumamoto, Japan.

Is August a Good Time to Visit Kumamoto, Japan?

Given the typically tolerable weather conditions in Kumamoto, August might be a good time to visit Kumamoto, Japan.

On average, the best time to visit Kumamoto, Japan is in October with generally perfect weather in Kumamoto. In contrast, February, June and July tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Kumamoto.

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 travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.