The temperatures in Nagasaki in May are comfortable with low of 16°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Nagasaki during the month of May. 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 May 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
22° / 16°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
145
mm
Sun Hours
9.3
Hrs
