Nagasaki Weather in December
12°C high · 4.9°C low · 64 mm rain · 3.4h sun
Dec is a cool month in Nagasaki — not peak season, but a good time to avoid crowds.
December at a glance
| Metric | Value |
|---|---|
| Average high | 12°C |
| Average low | 4.9°C |
| Rainfall | 64 mm |
| Sunshine | 3.4 hours/day |
| Daylight | 9.9 hours |
What to pack in December
Pack a jacket and layers for Nagasaki in December.
Nagasaki weather by month
JanFebMarAprMayJunJulAugSepOctNovDec
Frequently asked questions
What is the weather in Nagasaki in December?
Highs of 12°C and lows of 4.9°C, with about 64 mm of rain and 3.4 hours of sunshine per day.
Is December a good time to visit Nagasaki?
Dec is a cool month in Nagasaki — not peak season, but a good time to avoid crowds.
What to do in Nagasaki · Best time to visit Nagasaki
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.