Nagasaki Weather in July

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

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

What to Expect in Nagasaki in July

Nagasaki, Japan is a region in Japan. July in Nagasaki generally has temperatures that range from warm to very warm, with heavy precipitation. It's the height of summer.

Temperatures

The average highest temperatures fluctuate between warm in Nagasaki at 28°C (82°F) to very warm in Unzen at 30°C (86°F). Nighttime temperatures generally drop to 24°C (75°F) in Unzen and 25°C (77°F) in Nagasaki.

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

Precipitation

In July, precipitation varies across different areas. From heavy rainfall in Hirado with an average of 269 mm (11 in) to heavy rainfall in Unzen with 350 mm (14 in).

Average sunshine

Sunshine is moderately available across various locations. In Nagasaki, you can expect around 177 hours of sunlight in July, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore Nagasaki by month

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

Best Places to Visit in Nagasaki in July

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

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 Nagasaki

What is the weather like in July for some of the most popular destinations in Nagasaki, Japan?

Temperature range in Nagasaki (July)

Precipitation variation in Nagasaki (July)

Nagasaki

In July Nagasaki generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

June
July
August
Max temperature
25°C (77°F)
28°C (82°F)
30°C (86°F)
Min temperature
21°C (70°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
126 hours
177 hours
209 hours
Monthly rainfall
451 mm (18 in)
330 mm (13 in)
188 mm (7.4 in)
Monthly rainy days
19 days
19 days
17 days
Weather conditions

Unzen

In July Unzen generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

June
July
August
Max temperature
27°C (81°F)
30°C (86°F)
32°C (90°F)
Min temperature
20°C (68°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
126 hours
177 hours
209 hours
Monthly rainfall
453 mm (18 in)
350 mm (14 in)
190 mm (7.5 in)
Monthly rainy days
19 days
20 days
17 days
Weather conditions

Sasebo

In July Sasebo generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

June
July
August
Max temperature
26°C (79°F)
30°C (86°F)
31°C (88°F)
Min temperature
20°C (68°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
126 hours
177 hours
209 hours
Monthly rainfall
351 mm (14 in)
296 mm (12 in)
187 mm (7.4 in)
Monthly rainy days
18 days
19 days
16 days
Weather conditions

Hirado

In July Hirado generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°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
20°C (68°F)
25°C (77°F)
26°C (79°F)
Monthly rainfall
308 mm (12 in)
269 mm (11 in)
175 mm (6.9 in)
Monthly rainy days
18 days
18 days
15 days
Weather conditions

Isahaya

In July Isahaya generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

June
July
August
Max temperature
26°C (79°F)
29°C (84°F)
31°C (88°F)
Min temperature
21°C (70°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
126 hours
177 hours
209 hours
Monthly rainfall
443 mm (17 in)
337 mm (13 in)
190 mm (7.5 in)
Monthly rainy days
19 days
20 days
17 days
Weather conditions

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

City Weather Day temp Night temp Rainfall
Nagasaki 28°C (82°F) 25°C (77°F) 330 mm (13 in)
Unzen 30°C (86°F) 24°C (75°F) 350 mm (14 in)
Sasebo 30°C (86°F) 25°C (77°F) 296 mm (12 in)
Hirado 29°C (84°F) 25°C (77°F) 269 mm (11 in)
Isahaya 29°C (84°F) 25°C (77°F) 337 mm (13 in)
Omura 29°C (84°F) 25°C (77°F) 320 mm (13 in)

Nagasaki weather in July: frequently asked questions

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

Expect poor weather across Nagasaki, Japan in July. The popular destination of Nagasaki averages 28°C (82°F) by day and 25°C (77°F) at night during this summer month.

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

In Nagasaki, the average daytime high in July is 28°C (82°F), while nighttime temperatures drop to around 25°C (77°F).

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

Rainfall in Nagasaki, Japan peaks during July. Nagasaki averages roughly 330 mm (13 in), so frequent and sometimes heavy showers are the norm.

Is July a Good Time to Visit Nagasaki, Japan?

Given the typically poor weather conditions in Nagasaki, July may not be the ideal time to visit Nagasaki, Japan.

Generally speaking, the best visiting conditions can be found in October offering mostly pleasant weather in Nagasaki. On the other hand, the weather in February, June, July and August tend to be poor.

Interested in more climate information?

We have much more information about the climate in Nagasaki.

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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