December · Japan
Best time to visit Nagano in December Weather, crowds & prices
Weather in Nagano in December
Average temperature 2°C, 112 mm of rain, about 24 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.2/10
Ranked #11 of 12 months
- Avg temp
- 2°C
- Rainfall
- 112 mm
- Humidity
- 75%
- Days with 6h+ sun
- 24
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Nagano scores 6.2/10 for nature and wildlife travel - ranked #11 of 12. Expect around 2°C, 112 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Nagano's Olympic legacy, mountain temples and ski fields fill the Japanese Alps' gateway.
December in Nagano — middling scores, decent value
December averages 2°C (36°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Monthly rainfall reaches 112 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 6.2/10 here, 11th of 12 months, against 8.7/10 in the destination's best month.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? April scores 2.5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Nagano in December?
- In December, Nagano averages 2°C, 112 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 6.2/10.
- Is December a good time to visit Nagano?
- December earns a 6.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Nagano in December?
- Expect about 112 mm of rain in December. Average humidity is 75% and there are about 24 days with 6+ hours of sunshine.
Curated in Nagano
Tickets & experiences
Things to do in Nagano
Nagano, Japan. Live activities and tours from GetYourGuide, matched to this destination.