Weather in August 2025

Nagasaki weather in August 2025

The weather in Nagasaki in August is very hot. The average temperatures are between 26°C and 30°C, drinking water regularly is advisable.

You can expect rain for roughly half of the month of August in Nagasaki. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.

Our weather forecast can give you a great sense of what weather to expect in Nagasaki in August 2025.

If you’re planning to visit Nagasaki in the near future, we highly recommend that you review the 14 day weather forecast for Nagasaki before you arrive.

Temperatures
Temperatures
30° / 26°
Rainy Days
Rainy Days
11
Snowy Days
Snowy Days
0
Dry Days
Dry Days
20
Rainfall
Rainfall
458
mm
10.9
Sun Hours
10.9
Hrs

Nagasaki annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 10° / 7° 9 20 3 113 mm
Awful
February 11° / 7° 8 19 1 171 mm
Bad
March 14° / 10° 7 23 0 199 mm
Ok
April 18° / 13° 7 23 0 212 mm
Ok
May 22° / 17° 7 24 0 245 mm
Ok
June 24° / 21° 12 18 0 535 mm
Good
July 28° / 24° 14 17 0 588 mm
Good
August 30° / 26° 11 20 0 458 mm
Ok
September 27° / 23° 10 20 0 313 mm
Good
October 23° / 19° 5 26 0 172 mm
Perfect
November 18° / 14° 6 24 0 170 mm
Good
December 12° / 9° 8 23 1 162 mm
Bad
Temperatures in Nagasaki in August
Rain in Nagasaki in August

Recommended Hotels in Nagasaki

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That’s why we run our special tools and found the best hotels in Nagasaki. Click on hotel for more details.

Weather in Nagasaki in August - FAQ

What is the average temperature in Nagasaki in August?
The average temperature in Nagasaki in August is 26/30° C.
What is the chance of rain in Nagasaki in August?
On average, there are 11 rainy days in Nagasaki during August.
Weather wise, is August a good time to visit Nagasaki?
The weather in Nagasaki in August is ok.
Can it snow in Nagasaki in August?
On average, there are 0 snowy days in Nagasaki in August.
More about the weather in Nagasaki