Is Nagasaki hot in January?
Days are typically cool at 10.5°C, while nights average 3.4°C.
Japan · 1991–2020 normal
Nagasaki in
January.
Typical January weather in Nagasaki: 10.5°C by day, 3.4°C at night, 73 mm of rain over 10.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high10.5°C
Typical low3.4°C
Rain73 mm
Wet days10.4
In the year-round weather comparison, January scores 23 out of 100 (October leads the year at 81). Daylight is calculated as 10 h 13 from latitude 32.75°. Open-water sea temperature is 16.7°C (14 km from the place centre).
January at a glance
What is Nagasaki like in January?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 73 mm across about 10 wet days.
How much daylight is there?
There are about 10 h 13 between sunrise and sunset at mid-month, calculated from the place latitude.
Is January a good time to visit?
January ranks 9 of 12 in our weather comparison; October ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1856177
- NOAA station
- JA000047817 · NAGASAKI
- Station distance
- 2.6 km from the place centre
- Coverage
- Good coverage · 19 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
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.
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