January · Japan
Best time to visit Nagasaki in January Weather, crowds & prices
Weather in Nagasaki in January
Average temperature 7°C, 78 mm of rain, about 1 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
5.3/10
Ranked #6 of 12 months
- Avg temp
- 7°C
- Rainfall
- 78 mm
- Humidity
- 77%
- Days with 6h+ sun
- 1
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
January in Nagasaki scores 5.3/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 7°C, 78 mm of rain, and roughly 1 days with 6+ hours of sunshine this month.
Nagasaki's harbour hills hold a unique history of trade, Christianity and the atomic bombing.
January in Nagasaki — workable with trade-offs
January averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 78 mm, so plan one flexible day in three; you still get about 1 days with 6+ hours of sunshine and 10.1 hours of daylight.
It scores 5.3/10 here, 6th of 12 months, against 6.9/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? October scores 1.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Nagasaki in January?
- In January, Nagasaki averages 7°C, 78 mm of rain, and about 1 days with 6+ hours of sunshine. Its climate-comfort score is 5.3/10.
- Is January a good time to visit Nagasaki?
- January earns a 5.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Nagasaki in January?
- Expect about 78 mm of rain in January. Average humidity is 77% and there are about 1 days with 6+ hours of sunshine.
Curated in Nagasaki
Tickets & experiences
Things to do in Nagasaki
Nagasaki, Japan. Live activities and tours from GetYourGuide, matched to this destination.