The climate in Nagasaki during August can be summarized as hot, humid and very wet.
August is in the summer in Nagasaki and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (75°F) is normal.
|Daytime temperature||30.8°C 87.4°F|
|Nightly temperature||24°C 75.2°F|
|Average temperature||27.4°C 81.3°F|
|Daily sunshine||7.3 hrs|
|Avg rainfall||205 mm 8.1 ins|
|Rainy days||17 days|
|Sea temperature||28.1°C 82.7°F|
|Windspeed||7.9kph 5 mph|
On average August is the 4th wettest month of the year in Nagasaki with around 205mm 8.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Nagasaki in August 2022.
|Hottest month:||August||30.6°C 87.1°F|
|Driest month:||December||71mm 2.8ins|
|Coldest month:||January||9.2°C 48.6°F|
|Wettest month:||June||362mm 14.3ins|