The temperatures in Nagasaki in October are comfortable with low of 17°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Nagasaki during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Nagasaki in October 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
23° / 17°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
104
mm
Sun Hours
10.7
Hrs
