Gunma Weather in August

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

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Minakami Kusatsu Shibukawa Takasaki

Are you planning a trip a to Gunma, Japan in August and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Gunma in August

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

Temperatures

During the day temperatures vary from warm in Katashina at 26°C (79°F) to very warm in Ota at 31°C (88°F). At night it cools down to 23°C (73°F) in Ota and 18°C (64°F) in Katashina. In Gunma, 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.

To learn more about the conditions in specific areas of Gunma, Japan, check out the map below.

Precipitation

In August, precipitation varies across different areas. From high rainfall in Minakami with an average of 159 mm (6.3 in) to heavy rainfall in Takasaki with 214 mm (8.4 in).

Average sunshine

Most destinations offer generous amounts of sunshine this August. For example, Minakami gets approximately 207 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Gunma by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Gunma in August

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

Conditions Temperatures Precipitation
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 Gunma

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

Temperature range in Gunma (August)

Precipitation variation in Gunma (August)

Minakami

In August Minakami generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
26°C (79°F)
27°C (81°F)
24°C (75°F)
Min temperature
19°C (66°F)
19°C (66°F)
16°C (61°F)
Monthly sun hours
175 hours
207 hours
163 hours
Monthly rainfall
214 mm (8.4 in)
159 mm (6.3 in)
200 mm (7.9 in)
Monthly rainy days
23 days
21 days
21 days
Weather conditions
unpleasant
pleasant
unpleasant
Climate in Minakami →

Kusatsu

In August Kusatsu generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« July
August
September »
July
August
September
Max temperature
27°C (81°F)
28°C (82°F)
24°C (75°F)
Min temperature
18°C (64°F)
19°C (66°F)
15°C (59°F)
Monthly sun hours
170 hours
206 hours
142 hours
Monthly rainfall
244 mm (9.6 in)
186 mm (7.3 in)
195 mm (7.7 in)
Monthly rainy days
23 days
21 days
21 days
Weather conditions
unpleasant
tolerable
tolerable
Climate in Kusatsu →

Shibukawa

In August Shibukawa generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
28°C (82°F)
29°C (84°F)
25°C (77°F)
Min temperature
20°C (68°F)
21°C (70°F)
17°C (63°F)
Monthly sun hours
175 hours
207 hours
163 hours
Monthly rainfall
222 mm (8.7 in)
167 mm (6.6 in)
216 mm (8.5 in)
Monthly rainy days
22 days
20 days
21 days
Weather conditions
unpleasant
pleasant
unpleasant
Climate in Shibukawa →

Takasaki

In August Takasaki generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
29°C (84°F)
30°C (86°F)
26°C (79°F)
Min temperature
21°C (70°F)
22°C (72°F)
18°C (64°F)
Monthly sun hours
175 hours
207 hours
163 hours
Monthly rainfall
270 mm (11 in)
214 mm (8.4 in)
258 mm (10 in)
Monthly rainy days
22 days
19 days
20 days
Weather conditions
poor
poor
unpleasant
Climate in Takasaki →

Tsumagoi

In August Tsumagoi generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
27°C (81°F)
28°C (82°F)
24°C (75°F)
Min temperature
18°C (64°F)
19°C (66°F)
15°C (59°F)
Monthly sun hours
170 hours
206 hours
142 hours
Monthly rainfall
219 mm (8.6 in)
162 mm (6.4 in)
179 mm (7 in)
Monthly rainy days
23 days
21 days
20 days
Weather conditions
unpleasant
pleasant
pleasant
Climate in Tsumagoi →

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

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Minakami 27°C (81°F) 19°C (66°F) 159 mm (6.3 in)
Kusatsu 28°C (82°F) 19°C (66°F) 186 mm (7.3 in)
Shibukawa 29°C (84°F) 21°C (70°F) 167 mm (6.6 in)
Takasaki 30°C (86°F) 22°C (72°F) 214 mm (8.4 in)
Tsumagoi 28°C (82°F) 19°C (66°F) 162 mm (6.4 in)
Nakanojo 28°C (82°F) 19°C (66°F) 199 mm (7.8 in)

Gunma weather in August: frequently asked questions

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

Expect pleasant weather across Gunma, Japan in August. The popular destination of Minakami averages 27°C (81°F) by day and 19°C (66°F) at night during this summer month.

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

In Minakami, the average daytime high in August is 27°C (81°F), while nighttime temperatures drop to around 19°C (66°F).

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

Gunma, Japan sees substantial rainfall in August. Minakami typically averages about 159 mm (6.3 in), a mix of wet and dry days, but bring an umbrella.

Is August a Good Time to Visit Gunma, Japan?

We believe that August is one of the best times to visit Gunma, Japan with overall pleasant weather in Minakami. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Gunma, Japan is in May, June and August with generally pleasant weather in Minakami. On the other hand, the weather in January, February, March and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Gunma.

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.

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