Nagasaki weather in August (Nagasaki, Japan)

Looking to travel to Nagasaki in August? Check out this comprehensive weather guide.

In August, Nagasaki generally has high temperatures and heavy rainfall. August is a summer month. Throughout the day, temperatures typically settle at around 30°C. But by evening, they drop to around 26°C. Often, it stands out as the year's warmest month. With this in mind, cool breathable fabrics will make navigating the heat much more bearable. Always be ready to embrace the warmth while staying cool and protected.

Nagasaki in August falls under the rainy season with heavy rainfall, averaging around 188 mm for the month. Rain is expected on roughly 17 days.

The days are predominantly sunny, with an estimated total of around 209 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

Should you favor a climate that's both dry and comfortably warm October typically offers the most agreeable circumstances. On the other hand, February, June and July tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Nagasaki climate page with graphs.

 

Nagasaki, monthly averages in August

Min TemperatureMin Temperature 26°C  
Max TemperatureMax Temperature 30°C  
Water TemperatureWater Temperature 27°C  
Chance of RainChance of Rain 56%  
PrecipitationPrecipitation 188 mm  
Rainy daysRainy days 17 days  
HumidityHumidity 77%  
WindspeedWindspeed 7 km/h  
SunshineSunshine 209 hours  
Percentage SunshinePercentage Sunshine 54%  

Where to go in Japan in August

Find out more about the weather in Japan in August and which places have the best weather conditions in this month.

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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).

So, what should you wear in Nagasaki in August?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 27°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Nagasaki.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find 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.