Is Nagasaki hot in June?
Days are typically warm at 26.4°C, while nights average 19.8°C.
Japan · 1991–2020 normal
Nagasaki in
June.
Typical June weather in Nagasaki: 26.4°C by day, 19.8°C at night, 409 mm of rain over 15 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high26.4°C
Typical low19.8°C
Rain409 mm
Wet days15
In the year-round weather comparison, June scores 20 out of 100 (October leads the year at 81). Daylight is calculated as 14 h 18 from latitude 32.75°. Open-water sea temperature is 22.3°C (14 km from the place centre).
June at a glance
What is Nagasaki like in June?
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 409 mm across about 15 wet days.
How much daylight is there?
There are about 14 h 18 between sunrise and sunset at mid-month, calculated from the place latitude.
Is June a good time to visit?
June ranks 10 of 12 in our weather comparison; October ranks first.
Event window
Warm sea in June
The nearest open-water NOAA OISST 1991–2020 cell averages 22.3°C in June. A sheltered bay can run warmer than that open-water cell.
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 · 20 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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