Is Nagasaki hot in February?
Days are typically cool at 12°C, while nights average 3.5°C.
Japan · 1991–2020 normal
Typical February weather in Nagasaki: 12°C by day, 3.5°C at night, 94 mm of rain over 9 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, February scores 26 out of 100 (October leads the year at 81). Daylight is calculated as 10 h 58 from latitude 32.75°. Open-water sea temperature is 15.6°C (14 km from the place centre).
February at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically cool at 12°C, while nights average 3.5°C.
The measured monthly average is 94 mm across about 9 wet days.
There are about 10 h 58 between sunrise and sunset at mid-month, calculated from the place latitude.
February ranks 8 of 12 in our weather comparison; October ranks first.
The evidence behind this page
Next step
The weather comparison for Nagasaki is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work