Nagasaki Weather in January
9.4°C high · 2.8°C low · 75 mm rain · 3.5h sun
Jan is a cool month in Nagasaki — not peak season, but a good time to avoid crowds.
January at a glance
| Metric | Value |
|---|---|
| Average high | 9.4°C |
| Average low | 2.8°C |
| Rainfall | 75 mm |
| Sunshine | 3.5 hours/day |
| Daylight | 10.1 hours |
What to pack in January
Pack a warm coat and layers for Nagasaki in January.
Nagasaki weather by month
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Frequently asked questions
What is the weather in Nagasaki in January?
Highs of 9.4°C and lows of 2.8°C, with about 75 mm of rain and 3.5 hours of sunshine per day.
Is January a good time to visit Nagasaki?
Jan 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.