Gunma Weather in July

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

Planning a trip to Gunma, Japan this July? Here's what you need to know about the weather:

What to Expect in Gunma in July

Gunma, Japan is a region in Japan. July in Gunma generally has warm temperatures, with heavy precipitation. During July, summer is in full swing.

Temperatures

The average maximum temperatures are warm and range from 25°C (77°F) in Katashina to 30°C (86°F) in Ota. Nighttime temperatures generally drop to 22°C (72°F) in Ota and 17°C (63°F) in Katashina.

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

Precipitation

In July, precipitation varies across different areas. From heavy rainfall in Minakami with an average of 214 mm (8.4 in) to heavy rainfall in Takasaki with 270 mm (11 in). Based on our climate, it is the month with the most precipitation throughout the year in Minakami.

Average sunshine

Most areas see decent amounts of sunshine this month. Minakami gets around 175 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Gunma by month

Pick a month to see the average temperature, rainfall and sunshine in Gunma — and find the best time to visit. (based on Minakami)

Best Places to Visit in Gunma in July

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

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 July for some of the most popular destinations in Gunma, Japan?

Temperature range in Gunma (July)

Precipitation variation in Gunma (July)

Minakami

In July Minakami generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

June
July
August
Max temperature
22°C (72°F)
26°C (79°F)
27°C (81°F)
Min temperature
14°C (57°F)
19°C (66°F)
19°C (66°F)
Monthly sun hours
133 hours
175 hours
207 hours
Monthly rainfall
178 mm (7 in)
214 mm (8.4 in)
159 mm (6.3 in)
Monthly rainy days
21 days
23 days
21 days
Weather conditions

Kusatsu

In July Kusatsu generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

June
July
August
Max temperature
23°C (73°F)
27°C (81°F)
28°C (82°F)
Min temperature
14°C (57°F)
18°C (64°F)
19°C (66°F)
Monthly sun hours
165 hours
170 hours
206 hours
Monthly rainfall
203 mm (8 in)
244 mm (9.6 in)
186 mm (7.3 in)
Monthly rainy days
21 days
23 days
21 days
Weather conditions

Shibukawa

In July Shibukawa generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

June
July
August
Max temperature
24°C (75°F)
28°C (82°F)
29°C (84°F)
Min temperature
16°C (61°F)
20°C (68°F)
21°C (70°F)
Monthly sun hours
133 hours
175 hours
207 hours
Monthly rainfall
192 mm (7.6 in)
222 mm (8.7 in)
167 mm (6.6 in)
Monthly rainy days
21 days
22 days
20 days
Weather conditions

Takasaki

In July Takasaki 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 poor that month.

June
July
August
Max temperature
25°C (77°F)
29°C (84°F)
30°C (86°F)
Min temperature
17°C (63°F)
21°C (70°F)
22°C (72°F)
Monthly sun hours
133 hours
175 hours
207 hours
Monthly rainfall
239 mm (9.4 in)
270 mm (11 in)
214 mm (8.4 in)
Monthly rainy days
21 days
22 days
19 days
Weather conditions

Tsumagoi

In July Tsumagoi generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

June
July
August
Max temperature
23°C (73°F)
27°C (81°F)
28°C (82°F)
Min temperature
14°C (57°F)
18°C (64°F)
19°C (66°F)
Monthly sun hours
165 hours
170 hours
206 hours
Monthly rainfall
188 mm (7.4 in)
219 mm (8.6 in)
162 mm (6.4 in)
Monthly rainy days
21 days
23 days
21 days
Weather conditions

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

In our records: Japan July extremes

Notable July records observed across cities in Japan in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in Japan reached 42°C (108°F) in Okayama on July 15, 1988.
  • From our sources, the wettest July day in Japan brought 312 mm (12 in) in Wakayama on July 6, 2018.

Popular cities in July

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

City Weather Day temp Night temp Rainfall
Minakami 26°C (79°F) 19°C (66°F) 214 mm (8.4 in)
Kusatsu 27°C (81°F) 18°C (64°F) 244 mm (9.6 in)
Shibukawa 28°C (82°F) 20°C (68°F) 222 mm (8.7 in)
Takasaki 29°C (84°F) 21°C (70°F) 270 mm (11 in)
Tsumagoi 27°C (81°F) 18°C (64°F) 219 mm (8.6 in)
Nakanojo 27°C (81°F) 19°C (66°F) 254 mm (10 in)

Gunma weather in July: frequently asked questions

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

Expect unpleasant weather across Gunma, Japan in July. The popular destination of Minakami averages 26°C (79°F) by day and 19°C (66°F) at night during this summer month.

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

Average temperatures in Gunma, Japan during July range from a nighttime low near 19°C (66°F) to a daytime high around 26°C (79°F) in Minakami.

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

Expect plenty of rainfall. Minakami records an average of 214 mm (8.4 in) in July, putting it among the wetter months for Gunma, Japan.

Is July a Good Time to Visit Gunma, Japan?

Given the typically unpleasant weather conditions in Minakami, July may not be the ideal time to visit Gunma, Japan.

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